Sargent 28-10G37 Classroom Sec...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,022.09
$646.89
SGT-28-10G37

Sargent 28-10G37 Classroom Security Lever Lockset with Grade 1 Rating and LA Keyway

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Model: 28-60-10G37-LL-26D
From the 10 Line Series Collection
$1,022.09
$646.89
Selected Finish is
Selected Lever is

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

$1,022.09
$646.89
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Sargent 10 Line Series Classroom Security Lever Lockset with Grade 1 Rating and LA Keyway

Heavy-Duty Cylindrical Key-in-Lever Lockset for Commercial Applications

The Sargent 10 Line Series delivers exceptional durability with over 4 million cycle testing that exceeds ANSI 156.2 Series 4000 Grade 1 standards by five times. This classroom security lockset features solid one-piece cast lever construction, accommodates retrofit applications with optional 2-3/8", 3-3/4", and 5" backset latches, and provides more than two times the standard abusive force resistance without allowing entry.

Professional Features & Benefits

  • Exceptional Durability Rating: Over 4 million cycle testing exceeds ANSI 156.2 Grade 1 requirements by five times for superior longevity in high-traffic applications.
  • Enhanced Security Performance: Abusive locked lever torque resistance exceeds 1.5 times A156.2 Grade 1 requirements without entry gained for maximum security protection.
  • Flexible Backset Options: Accommodates retrofit applications with optional 2-3/8", 3-3/4", and 5" backset latches for versatile installation compatibility.
  • Heavy-Duty Construction: Solid one-piece cast lever construction (except J lever) provides exceptional durability for demanding commercial environments.
  • ADA-Compliant Design: Six ADA lever styles complement a wide array of design applications while meeting accessibility requirements.
  • Non-Handed Installation: B, L, J, and P levers are non-handed for efficient warehousing and ease of installation flexibility.
  • Vandal-Resistant Options: Free Wheeling (FW) trim available for enhanced vandal resistance in high-risk applications.
  • Professional Finish Selection: Eleven architectural grade finishes available to match diverse design requirements and environmental conditions.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Educational Facilities and Classroom Security
  • Commercial Office Buildings
  • Healthcare Institutions and Hospitals
  • Manufacturing Facilities
  • Heavy-Duty Commercial Interior and Exterior Doors
  • Institutional Buildings
  • Universities and Schools

Why Choose Sargent Quality?

Sargent 10 Line Series locksets deliver professional-grade reliability with heavy-duty cylindrical construction rated for over 4 million cycles. The solid one-piece cast lever design and Grade 1 certification ensure dependable performance in demanding commercial applications where security and durability are essential. Engineered to exceed industry standards by significant margins for long-term operational confidence.

Product Specs

Series:
10 Line Series
Grade:
Grade 1
Keyed Function:
Non-Keyed
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Subcategory:
Bored Locksets
Keyed:
No
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Handle Type:
Lever
Lock Function:
Classroom
Duty Level:
Heavy Duty
Product Attribute:
Cylindrical Locks
Product Function:
Classroom
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Collection:
10 Line Series
Backset (Distance):
2-3/4"
Strike Classification:
808 - ANSI Strike
Keyway Profile:
LA Keyway
Department:
Door Hardware

Sargent 28-60-10G37-LL-26D – Frequently Asked Questions

1) What backset does the Sargent 28-10G37 classroom lever use, and can it go on a door prepped for a different backset?
Standard backset on the Sargent 10 Line 28-10G37 is 2-3/4 inches, which is the usual commercial bore spacing. For retrofit work where the existing door is bored differently, the 10 Line also accepts optional 2-3/8 inch, 3-3/4 inch and 5 inch backset latches, so a wider stile or an older 2-3/8 inch prep can still be covered without re-boring.
2) Do I need to specify handing when ordering a Sargent 10 Line lever lock?
No handing to call out. The 28-10G37 is non-handed, and the B, L, J and P lever styles are themselves non-handed, so one part number covers left and right hand openings. That is why facilities standardizing across a building can stock a single SKU instead of splitting inventory by hand.
3) Which cylinder options does the Sargent 28-10G37 come with, and what suits a school master key system?
Two cylinder builds are offered: small format interchangeable core (SFIC), and large format interchangeable core supplied with a disposable plastic construction core. Both are on the LA keyway. Pick LFIC with the plastic core if the building is still under construction, so trades use a throwaway core and you drop in permanent cores at turnover. Pick SFIC if the campus already runs a small format system and you want to key it from your existing pinning kit.
4) Is the Sargent 10 Line lever tough enough for a high traffic school corridor?
It is a Grade 1 heavy duty cylindrical lock tested past 4 million cycles, five times the ANSI 156.2 Series 4000 Grade 1 requirement, and abusive locked-lever torque resistance runs over 1.5 times the A156.2 Grade 1 figure without entry being gained. The lever is one piece cast (the J lever excepted). For openings that take deliberate abuse, the Free Wheeling (FW) trim option lets the lever spin rather than break.
5) What is the difference between a classroom security lock and a standard classroom lock when specifying a lever for a school?
A standard classroom function, such as the Dexter C1000 Series Grade 1 classroom lever (DEX-C1000-CLRM), is locked and unlocked by key from the outside only. A classroom security function, such as the Sargent 28-10G37 or the Dexter C1000 classroom security model (DEX-C1000-CSEC), adds a keyed cylinder on the inside so a teacher can lock the outside lever without stepping into the corridor. Both Dexter options are Grade 1 and listed for 1-3/8 inch to 1-3/4 inch doors; the Sargent is a Grade 1 heavy duty 10 Line lock with an LA keyway.
6) What is the closest cross-brand equivalent to the Sargent 28-10G37 classroom security lever?
The Dexter C1000 Series classroom security cylindrical lever lock (DEX-C1000-CSEC) is the nearest match by function and grade. Both are Grade 1 cylindrical classroom security leversets. The Sargent 28-10G37 is a 10 Line Series lock with an LA keyway and a 2-3/4 inch backset; the Dexter C1000 classroom security model is listed for doors 1-3/8 inch to 1-3/4 inch thick and uses a clutching, keyed lever. Confirm keyway and core type before substituting, since the Sargent is offered with LFIC and SFIC cylinder options.
7) What is a Grade 1 alternative to the Sargent 28-10G37 classroom lever if I do not run a Sargent keyway?
The Dexter C1000 Series classroom security cylindrical lever is the closest peer we carry: Grade 1, classroom security function, clutching, keyed, for 1-3/8 to 1-3/4 inch doors. If you only need a keyed classroom rather than classroom security, the Dexter C1000 classroom version covers that. On the Grade 2 side, the Cal-Royal AG03 classroom lever uses a 6-pin Schlage C keyway keyed different with a 2-3/4 inch backset, which matches the Sargent's backset but is a lighter duty rating.
8) Will a Sargent 10 Line cylindrical lever match a mortise lock opening?
No. The 28-10G37 is a bored cylindrical lock, which needs a round cross bore through the door face and an edge bore for the latch. A mortise lock needs a rectangular pocket routed into the door edge. The two preps are not interchangeable, so if the existing doors carry mortise locks you need a mortise body, not this one.
9) What should I use instead of the Sargent 28-10G37 on a door that only needs to latch and never lock?
Use a passage function lever. Grade 1 options include the Falcon K101, listed for doors 1-3/8 inch to 2-1/4 inch thick with non-handed levers and a fire rating, the Falcon T101 heavy duty passage lever, and the Corbin Russwin CL3110 vandal resistant passage lever for 1-3/4 inch to 2 inch doors. The Sargent 28-10G37 is a keyed classroom security function and is the wrong choice for an opening with no locking requirement.
10) If the room is a supply or storage room rather than a classroom, what lever should I specify?
Specify a storeroom function, where the outside lever stays locked at all times and a key retracts the latch. The Hager 2580 with Withnell lever is a Grade 2 storeroom lock for doors 1-3/8 inch to 2 inch, and the Cal-Royal AG05 is a Grade 2 storeroom lever with a deadlocking latchbolt for doors 1-3/8 inch to 1-3/4 inch. The Sargent 28-10G37 classroom security function allows the outside lever to be left unlocked, which a storeroom opening usually should not permit.
11) Which products look like substitutes for the Sargent 28-10G37 but will not work on a classroom door?
Dummy trims and residential-grade passage sets are the common mistakes. The BEST 9K Series 1DT and the Accentra 455LN Augusta are Grade 1 but are single dummy trim with no latch and no locking at all. The Kwikset 200BRNL Breton is a Grade 3 passage lever for 1-3/8 inch to 1-3/4 inch doors, and the Callan Asheville is a Grade 3 passage leverset - neither is keyed. The Sargent 28-10G37 is a Grade 1 keyed classroom security cylindrical lock, so any of these changes the function of the opening.
12) Can I mix Sargent 28-10G37 locks with Schlage C keyed levers on the same master key system?
No. The Sargent 28-10G37 uses the Sargent LA keyway and is offered with LFIC or SFIC cores. Peer classroom and entrance levers such as the Cal-Royal AG03 and Cal-Royal AG00 use a 6-pin Schlage C keyway, and the Arrow MK33-BD-CS uses a conventional Schlage C cylinder. Those are separate keyway families, so a facility standardizing on Sargent LA should stay on LA-compatible cores rather than mixing platforms across the same doors.
13) Can I match the Sargent 10 Line finish and lever style across a whole building?
Eleven architectural finishes and six ADA lever styles are offered across the 10 Line, so classrooms, offices and storerooms in the same building can carry the same trim look with different functions behind it. The 28-10G37 is stocked in 26D satin chromium plated over nickel with the L lever, which is the common commercial pairing.
14) What is the alternative to the Sargent 28-10G37 for a detention, patient, or utility room that must be lockable from both sides?
An asylum or institution function is the correct specification. The Dexter C1000 Series asylum lock (F87) is Grade 1 and listed for doors 1-3/8 inch to 2 inch, and the Arrow MK33-BD-CS is a heavy duty asylum cylindrical lock with a Schlage C conventional cylinder and ball knob. The Sargent 28-10G37 is a classroom security lever that keys from the inside to control the outside lever, but the inside lever always retracts the latch for free egress.
15) Is there a Grade 1 alternative to the Sargent 28-10G37 for an opening that needs electrified access control instead of a key?
Yes. The Corbin Russwin CL33903 is a Grade 1 fail safe electrified cylindrical lever for 12VAC/DC, listed for doors 1-3/4 inch to 2 inch, and is also offered in a keyed 12VAC/DC configuration. That is the route when the opening is tied to a card reader or access control panel. The Sargent 28-10G37 is a mechanical classroom security lock on an LA keyway with no electrified control.
How fast can I get the Sargent 28-60-10G37-LL-26D 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 Sargent 28-60-10G37-LL-26D come with a warranty?
Absolutely. The Sargent 28-60-10G37-LL-26D 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 Sargent 28-60-10G37-LL-26D?
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
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