Schlage L9000 Series Mortise L...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$407.00
$225.26
Schlage L9000 Series Mortise Lock Body Only — angled view showing latch bolt, deadbolt, and internal case components

Schlage L9000 Series Mortise Lock Body Only

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Model: L9050LB
From the L9000 Series Collection

In Stock (leaves warehouse same day if ordered before 3pm ET)

$407.00
$225.26
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Schlage L9000 Series Mortise Lock Body

The Schlage L9000 Series lock body is the mechanical case at the core of the L Series mortise lockset system. Sold without trim, cylinder, or rose, it is the correct replacement or new-construction component when the case alone is required. The case is cold-rolled steel with zinc dichromate plating, sized at 4-7/16" x 3-5/8" x 1", and accepts a 2-3/4" backset spring latch. Door thickness: 1-3/4". Handing is field reversible. Furnished with mounting screws and templates only.

Thirteen mechanical functions are available on this listing: Passage, Privacy, Entrance/Office, Entrance/Office with Auto Unlocking, Classroom, Storeroom, Institution, Entrance/Office with Deadbolt, Corridor, Closet/Storeroom, Dormitory/Bedroom, Storeroom with Deadbolt, and Faculty Restroom. Select the model number that matches the required function.

Standard strike included: 10-072, 1-1/4" x 4-7/8" square corner strike with box (1-3/16" lip length). Standard latch: spring latch, 2-3/4" backset.

Security Features

  • Exceeds ANSI/BHMA A156.13 Grade 1 security and operational standards
  • Anti-saw pin in deadbolt prevents cut-through
  • Security blocking hub prevents lock picking by removing levers
  • Anti-friction tongue on latch bolt reduces door closing force
  • Breakaway spindle protects against forced-entry torque attacks
  • Fusible link releases latch for positive latching on fire-rated doors
  • Field-reversible latch bolt - no tools required to change handing
  • Floating mounting tabs accommodate door prep variations

Certifications

  • ANSI/BHMA A156.13 Grade 1 - security and operational
  • UL listed for 3-hour fire doors
  • Meets Buy American Act (BAA) requirements
  • UL/cUL listed for A label single doors (4' x 10') and pairs (8' x 10')
  • Meets ADA requirements

Specifications

  • Case size: 4-7/16" x 3-5/8" x 1"
  • Backset: 2-3/4"
  • Door thickness: 1-3/4"
  • Handing: field reversible
  • Material: cold-rolled steel (CRS) with zinc dichromate plating
  • Grade: ANSI/BHMA Grade 1
  • Warranty: 3-year limited

Downloads and Resources

Manufacturer Resources

Product Specs

Product Group:
Mechanical Locks
Series:
L Series
Grade:
Grade 1
Keyed Function:
Cylinder Not Included (accepts standard mortise cylinder)
Standard Latch:
Spring Latch, 2-3/4" Backset
Standard Strike:
10-072: 1-1/4" x 4-7/8" Square Corner Strike, Box (1-3/16" Lip Length)
Mortise Case Size:
4-7/16" x 3-5/8" x 1"
Warranty:
3 Year Limited
Keyed:
No
Subcategory:
Mortise Locks
Product Subgroup:
Mortise Lock Bodies
Product Type:
Mortise Locks
Fasteners:
Lock cases furnished with mounting screws and templates only
Commercial/Residential:
Commercial
Lock Type:
Mortise
IMAP Policy:
Yes
Product Attribute:
Mortise Locks
Electronic:
No
Collection:
L9000 Series
Door Hand Direction:
Field Reversible
Door Thickness Range:
1-3/4"
Product Category:
Mechanical Locks
Product Substrate:
CRS with Zinc Dichromate Plating
Backset (Distance):
2-3/4"
Department:
Door Hardware

Schlage L9050LB – Frequently Asked Questions

1) Does the Schlage L9000 mortise lock body come with the lever, rose, and cylinder, or do I have to order those separately?
Case only. The L9000 mortise lock body is sold without trim, cylinder, or rose, and it ships with mounting screws and templates only. So a complete opening needs three more line items from you: the trim (lever or knob with rose or escutcheon), a standard mortise cylinder, and keying. The case accepts a standard mortise cylinder. The strike is the one thing you do get, a 10-072 square corner strike with box.
2) Will a Schlage L9000 lock body fit my door prep, and what backset and door thickness does it need?
The L9000 case needs a 2-3/4 inch backset prep and a 1-3/4 inch door. It is a single-thickness device, so a 1-3/8 inch interior door will not take it. The case itself measures 4-7/16 x 3-5/8 x 1 inches into the mortise pocket. Floating mounting tabs give some tolerance where an existing prep is slightly off.
3) Do I need to specify left or right hand when I order an L9000 mortise case?
No handing to call out. The L9000 latch bolt is field reversible and the description states no tools are required to change it, so one case covers either hand. That is the practical reason to stock a couple on the shelf for a building instead of splitting inventory LH and RH.
4) Which L9000 model number do I order for a classroom door versus a storeroom door?
Function is the model number on the L Series. Classroom is L9070LB, storeroom is L9080LB. The full thirteen: L9010B passage, L9040B privacy, L9050LB entrance/office, L9056LB entrance/office with auto unlocking, L9070LB classroom, L9080LB storeroom, L9082LB institution, L9453LB entrance/office with deadbolt, L9456LB corridor, L9465LB closet/storeroom, L9473LB dormitory/bedroom, L9480LB storeroom with deadbolt, and L9485LB faculty restroom. Pick the function first, then the trim and cylinder separately.
5) Can I use a Schlage L9000 lock body on a fire rated door?
Yes, on rated openings. The L9000 case is UL listed for 3-hour fire doors and UL/cUL listed for A label single doors up to 4 x 10 feet and pairs up to 8 x 10 feet. A fusible link in the case releases the latch for positive latching when the door is exposed to fire, which is what a rated assembly depends on.
6) Will the L9000 latch drop into my existing strike, or do I have to change the frame prep?
The case ships with a 10-072 strike, 1-1/4 by 4-7/8 inches, square corner, with box, and a 1-3/16 inch lip length. If your frame is already prepped for that standard ANSI-size mortise strike and your existing lock is on a 2-3/4 inch backset, the case drops in and you reuse the frame. A rounded-corner frame prep or a different lip projection means you install the supplied strike or order the matching one, not force the old one.
7) My door is 2 inches thick. Will the Schlage L9000 mortise case work?
No. The L9000 case is built for 1-3/4 inch doors only, with no thicker range. For a thicker leaf, the Hager 3800 Series covers 1-3/4 to 2-1/2 inches, with the 3810E passage and the 3850E office function, and the 3840S privacy covers 1-3/4 to 2 inches. Baldwin's 6301 and 6310 mortise bodies are listed for 1-3/4 inch and over, though they use a 2-1/2 inch backset, which is a different door prep than a 2-3/4 inch one.
8) What is the closest Grade 1 mortise lock to a Schlage L9080LB storeroom if Schlage is not an option?
For a storeroom-function mortise lock at Grade 1, the Cal-Royal NM8080 is a heavy duty Grade 1 storeroom mortise lockset with an interchangeable core option, and the Accentra 8805FL is a Grade 1 storeroom mortise lock furnished with an Arcadia lever. One difference matters for ordering: the L9080LB is sold as a lock body only, with mounting screws and templates, and no trim, cylinder, or rose, while the Accentra 8805FL and the Cal-Royal NM8080 are complete locksets with trim. The Cal-Royal NM8080 is listed for 1-3/4 inch doors, the same door thickness the L9000 case is built for.
9) Which mortise lock should I use instead of a Schlage L9000 on a door thinner than 1-3/4 inches?
The L9000 case is built for a 1-3/4 inch door, so a thinner leaf needs a different body. The Alarm Lock DL2700CR and DL3500CR are Grade 1 classroom-function electronic mortise locks listed for 1-5/8 inch to 1-7/8 inch doors, and the DL4500 is a Grade 1 electronic mortise deadbolt over the same 1-5/8 inch to 1-7/8 inch range. Among the mechanical bodies, the Baldwin 6310 entry/storeroom mortise lock body covers 1-3/8 inch and over on a 2-1/2 inch backset, which is a different door prep from the 2-3/4 inch backset the L9000 case takes.
10) I need a mortise lock body only, not a complete lockset - what else comes that way besides the Schlage L9000?
The BEST 45H Series heavy duty mortise lock body is sold as a body in public entrance function and is field reversible, and the BEST 45HCA heavy duty mortise lockbody comes in intruder function. On the residential-pattern side, the Baldwin 6301 entry/apartment and Baldwin 6310 entry/storeroom mortise lock bodies are supplied as bodies on a 2-1/2 inch backset. The L9000 case ships with mounting screws and templates only, with the cylinder ordered separately since the case accepts a standard mortise cylinder, and its handing is field reversible like the BEST 45H.
11) Can I put an electronic mortise lock in the same door prep instead of a Schlage L9000?
There are Grade 1 electronic mortise locks built for the same 1-3/4 inch door. The Schlage CO-100 is a standalone electronic mortise lock with a keypad reader in privacy function, Grade 1 heavy duty, for 1-3/4 inch doors. The TownSteel FME-2000 is a Grade 1 heavy duty classroom mortise lockset with RFID for 1-3/4 inch doors, and the FME-4000 is an electronic intruder classroom mortise lockset with RFID over the same thickness. The Schlage ENGAGE LEMD-GRW is a Grade 1 wireless mortise lock with a 125kHz proximity reader and a 3 hour fire rating. The L9000 is a mechanical case with no electronics, so switching to any of these changes the door from a keyed-only opening to one that needs credentials and power provisioned.
12) Is the Schlage LE Series mortise lock a substitute for an L9000?
They are not interchangeable on a Grade 1 spec. The Schlage Electronics LEBMB-ADD is a mobile-enabled mortise lock with push button and LED covering privacy, office and apartment functions, listed at Grade 2 for 1-3/4 inch doors with a 3 hour fire rating. The L9000 case is ANSI/BHMA Grade 1 and mechanical. If the drawing calls Grade 1 mortise, the LE Series will not meet it; the Schlage ENGAGE LEMD-GRW is the Grade 1 electronic mortise option with a 3 hour fire rating.
13) What is the equivalent of a Schlage L9456LB corridor lock or L9473LB dormitory lock in another brand?
The Sargent 7925 is a Grade 1 heavy duty dormitory exit function mortise lock in the 7900 Series with corridor/dormitory function, furnished with rose trim and a single cylinder deadbolt. That covers the same door type the L9456LB corridor and L9473LB dormitory/bedroom functions are specified for. The difference in scope is that the Sargent 7925 arrives with its rose trim and deadbolt cylinder arrangement, while the L9000 corridor and dormitory functions are case only and accept a standard mortise cylinder ordered separately.
14) What looks like a Schlage L9000 mortise lock but will not work as a functioning lock?
Several mortise-labelled items are dummy or trim-only components. The Emtek 3019 Brisbane, 3102 Memphis, 3104 Hamilton and 3106 Manhattan mortise entrance locksets are all dummy function, meaning they mount for appearance and do not latch. The Falcon MESC600DT is a dummy escutcheon lever trim for M9900 Series exit devices, not a lock body at all. The Sargent 130KB and 130W are mortise thumbturns, the inside turn piece only. Any L9000 model is a working lock case with a spring latch on a 2-3/4 inch backset and a 10-072 square corner strike with box.
15) Is a Baldwin 6301 or 6310 mortise lock body a drop-in for a Schlage L9000 case?
No, the door prep differs. The Baldwin 6301 entry/apartment and 6310 entry/storeroom mortise lock bodies are 2-1/2 inch backset, and the L9000 case is 2-3/4 inch backset, so the cylinder and spindle centerlines do not land in the same place. The Baldwin 6301 is offered knob by knob and the 6301LS lever by lever, both for 1-3/4 inch and over; the 6310 and the right hand reverse 6310190RRLS lever by lever are listed for 1-3/8 inch and over. The L9000 case is sized 4-7/16 inches by 3-5/8 inches by 1 inch for a 1-3/4 inch door, so a swap in either direction means re-prepping the pocket.
16) Is there a push/pull or ligature resistant alternative to a Schlage L9000 for a behavioral health or hospital door?
Yes, in three forms. The Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset in satin stainless steel, ligature resistant and ADA compliant. The TownSteel MRX-A-01 is a Grade 1 heavy duty passage mortise lockset with satin stainless steel ligature resistant arch trim for 1-3/4 inch doors, and the MRX-L-01 is the anti-ligature lever version of the same passage function. The L9000 case is a lever-operated mechanical mortise body that meets ADA requirements, but the paddle and anti-ligature trim styles above are the ones specified where the trim itself has to resist ligature.
17) Will a Schlage L9000 mortise case fit a narrow stile aluminum storefront door?
The L9000 case is 4-7/16 inches by 3-5/8 inches by 1 inch and is built for a 1-3/4 inch door, which is a hollow metal or wood door pocket rather than a storefront stile. For aluminum openings, the Alarm Lock DL1300NW Trilogy Networx wireless electronic mortise lock is made for Adams Rite deadlatches, the Kaba Ilco BR Series is a glass door bottom rail lock, and the Dormakaba E-Plex 2066 electronic pushbutton keyless mortise lock is listed for wide stile. Those are the bodies to look at when the leaf is aluminum rather than a standard commercial door.
18) Is a mortise lock body the right thing to buy, or do I need the whole lockset?
Buy the case alone when the mortise pocket and trim are already in the door and only the mechanism has failed, or when you are changing function (say, converting an office door to storeroom) and the levers stay. Buy a complete lockset when the door is new or the trim is being replaced too. If you want the whole thing in one part number instead, the Cal-Royal NM8080 is a Grade 1 storeroom mortise lockset for 1-3/4 inch doors, and the Corbin Russwin ML2003 is a Grade 1 classroom mortise lockset for the same thickness.
19) What Grade is the Schlage L9000 mortise case, and is it heavy enough for a school or hospital corridor?
Grade 1 under ANSI/BHMA A156.13, the top security and operational tier for mortise locks and the level a spec writer calls for on institutional traffic. The case is cold rolled steel with zinc dichromate plating. It also meets ADA requirements and Buy American Act requirements, which matters on public work.
20) Can I standardize a whole building on the L9000 case and just change functions door to door?
That is the usual way it gets specified. Every function shares the same 2-3/4 inch backset, the same 4-7/16 x 3-5/8 x 1 inch case, the same 1-3/4 inch door thickness, and the same 10-072 strike, so the door and frame prep is identical across passage, privacy, classroom, storeroom, corridor, dormitory and the rest. One prep, one template, and the function is decided by which model number goes in the pocket. Trim can stay consistent across the building independently.
21) I need an electronic or keypad mortise lock, not a mechanical one. What should I look at instead?
The L9000 case is purely mechanical, no electrification. For access control on a mortise prep, the Schlage Electronics LEMD-GRW is a Grade 1 ENGAGE Series wireless mortise lock with a 125kHz proximity reader and a 3-hour fire rating. The Schlage CO-100 is a Grade 1 standalone keypad mortise lock for 1-3/4 inch doors. If you want the mechanical case with motorized electric lock or unlock, the Command Access ML190 Series is a heavy-duty storeroom mortise lock with field selectable EL/EU operation on 24VDC.
22) Which L9000 model do I use for a single-occupancy restroom or a bedroom where the occupant locks from inside?
For a plain privacy set, L9040B is the privacy function and takes a thumbturn rather than a cylinder. L9485LB is the faculty restroom function and L9473LB is dormitory/bedroom, both of which are keyed and take a mortise cylinder. Pick on whether staff need key access from the corridor: privacy alone if not, faculty restroom or dormitory if they do.
23) Does the Schlage L9000 body come keyed, and what cylinder do I need with it?
It arrives unkeyed with no cylinder in the case. Any of the keyed functions takes a standard mortise cylinder, which you order to your building's keyway and keying, so the case can be brought onto an existing master key system. The passage and privacy models, L9010B and L9040B, take no cylinder at all.
24) What is the difference between a Schlage L9010B passage mortise lock and a Falcon MA101?
Both are passage-function mortise locks. The Falcon MA101 is a Grade 1 heavy-duty mortise passage lock in the MA Series with field reversible operation and a fire rating. The Schlage L9010B is the passage function of the L9000 case, Grade 1, field reversible, on a 2-3/4 inch backset for a 1-3/4 inch door. The ordering difference is scope: the L9010B is the case only, furnished with mounting screws and templates. For anti-ligature passage openings, the TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset for 1-3/4 inch doors, and the MRX-A-01 is the same passage function with satin stainless ligature resistant arch trim.
25) What replaces a Schlage L9040B privacy mortise lock on a restroom or bedroom door?
For privacy function, the Hager 3840S is a 3800 Series Grade 1 privacy mortise lock on a 2-3/4 inch backset for 1-3/4 inch to 2 inch doors, matching the 2-3/4 inch backset the L9000 case uses. The Cal-Royal NM8440 is a heavy duty Grade 1 privacy mortise lockset with a deadbolt for 1-3/4 inch doors. The L9040B is the privacy function of the L9000 case and does not include trim; the two peers named are furnished as locksets.
26) Can a mortise deadbolt be used in place of a Schlage L9480LB storeroom with deadbolt?
Only if the opening does not need a latch. The Sargent 4874 is a double cylinder mortise deadbolt on a 2-3/4 inch backset, the same backset dimension the L9000 case uses, and the Kaba Ilco 185 Series mortise lock is a deadbolt function supplied with no handing. Both are deadbolt only, with no latch bolt and no lever operation. The L9480LB combines storeroom latching with a deadbolt in one case, and the L9453LB does the same for entrance/office, so a deadbolt-only body will not give you the latching side of that function.
27) What mortise lock do I use instead of a Schlage L9000 on a door that needs access control wired to the building system?
The L9000 is a mechanical case with no electronics, so a wired or credentialed opening needs a different body. The BEST 45HW Series is a heavy duty wired electromechanical mortise lock with 12V/24V operation. The Command Access ML190 is a heavy-duty motorized mortise lock in storeroom function with field selectable fail safe or fail secure operation and 24VDC power. The Dormakaba E-Plex E5086 is a Grade 1 entry/egress electronic pushbutton and card mortise lock in a back to back arrangement. Each of these brings power and credential requirements the mechanical L9000 case does not have.
28) What is the difference between a Schlage L9050LB entrance/office lock and a Hager 3850E or Cal-Royal NM8050?
All three serve an office or entrance opening. The Hager 3850E is a 3800 Series Grade 1 office mortise lock supplied non-keyed with lever and escutcheon on a 2-3/4 inch backset for 1-3/4 inch to 2-1/2 inch doors. The Cal-Royal NM8050 is a heavy duty Grade 1 office/entrance mortise lockset with an auxiliary deadlatch for 1-3/4 inch doors. The L9050LB is the entrance/office function of the L9000 case on a 2-3/4 inch backset, Grade 1, supplied as a body that accepts a standard mortise cylinder, and the L9056LB adds auto unlocking to the same function.
29) For a passage mortise lock with escutcheon trim instead of a rose, what are the options next to a Schlage L9010B?
Hager offers the same 3800 Series passage function two ways: the 3810E is a Grade 1 passage mortise lock with escutcheon on a 2-3/4 inch backset, and the 3810S is the same Grade 1 passage function with a rose, also 2-3/4 inch backset. Both are listed for 1-3/4 inch to 2-1/2 inch doors. The 2-3/4 inch backset matches the L9000 case, though the L9010B passage model is furnished without trim, so the escutcheon or rose is a separate selection rather than part of the model number.
30) What is a lighter duty alternative to a Grade 1 Schlage L9000 mortise lock for a low traffic interior door?
The Codelocks CL2255 is a medium duty electronic tubular mortise latch in the CL2000 Series with a brushed steel finish, a lighter classification than the ANSI/BHMA Grade 1 the L9000 case carries. The Dormakaba Saffire LX-I-M002 is an electronic RFID mortise lockset with BLE mobile access at BHMA Grade 2. Both sit below the Grade 1 mark, so on an opening where the drawing or the facility standard calls Grade 1 mortise, the L9000 case is the one that answers it.
31) What is the alternative to a Schlage L9082LB institution function mortise lock for a secure both-sides opening?
The BEST 45HCA heavy duty mortise lockbody comes in intruder function, and like the L9082LB institution function it is supplied as a lockbody rather than a complete set. For a classroom opening that needs an intruder response with electronics, the TownSteel FME-4000 is an electronic intruder classroom mortise lockset with RFID, Grade 1 heavy duty for 1-3/4 inch doors. The L9082LB is the mechanical institution function in the L9000 case, Grade 1, with no electronics to power or manage.
32) How secure is the L9000 case if someone attacks the lever or tries to drill the deadbolt?
Four things in the case address forced entry. A breakaway spindle gives way under torque so a wrench on the lever does not drive the hub. A security blocking hub keeps the lock from being picked by pulling the levers off. On the deadbolt functions there is an anti-saw pin to stop cut-through. The latch also carries an anti-friction tongue, which is about closing force rather than attack but keeps a heavy fire door latching.
How fast can I get the Schlage L9050LB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Schlage L9050LB come with a warranty?
Absolutely. The Schlage L9050LB is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Schlage L9050LB?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Schlage L9050LB from ZenSupply?
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Videos

Product Reviews

  • 4
    Versatile Lock Solution for Any Door

    Posted by Philip on Aug 16th 2023

    I just wanted to share my thoughts on the Schlage L9000 Series Mortise Lock Case from zensupply.com. The versatility is impressive – fits various door types seamlessly. The lockbody is solid, but I wish the installation instructions were more detailed, took me a bit to get it right. Overall, a reliable choice for upgrading security.

  • 5
    Total Control and Quality

    Posted by Charles on Aug 30th 2023

    The Schlage L9000 Mortise Lock Case from zensupply.com is a real game-changer for security. Love how smooth it operates and the sturdiness is top-notch. The only hiccup I faced was a bit more complexity during installation than expected, but it's worth the effort. With this lock, I've got total control over my space. Peace of mind, check!

  • 5
    A Solid Choice for Security

    Posted by Alex on Aug 25th 2023

    I recently got the Schlage L9000 Mortise Lock Case from ZenSupply. What's cool? Its robust build adds a serious layer of security. But here's the kicker – the installation can be a bit tricky for beginners. Stay handy or call in the pros! Stay safe, folks.

  • 5
    Lock It Up with Schlage L9000 Series Mortise Lock!

    Posted by Aiden on Jul 26th 2023

    I recently purchased the Schlage L9000 Series Mortise Lock from ZenSupply. What I really like about this lock is its durability and smooth operation, providing top-notch security for my business. However, I found the installation process a bit challenging, especially for someone like me without much experience. Overall, a solid choice for those seeking reliable commercial-grade security!

  • 5
    Superior Security for Your Doors

    Posted by Benjamin on Jul 7th 2023

    Hi there, I'm Benjamin, and I recently got the Schlage L9000 Series Mortise Lock Case (Lockbody Only) from ZenSupply. One standout feature of this product is its exceptional durability and sturdiness, providing top-notch security for my doors. However, it's important to note that the installation process can be quite involved and may require professional assistance. Overall, if you're in need of a high-quality mortise lock that ensures robust security, the Schlage L9000 Series is a reliable option to consider.

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