Sargent 8205 Grade 1 Heavy Dut...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,683.87
$1,184.38
Sargent Sargent 8200 Series - (8205) Office or Entry Lock Function Rose Trim, Heavy Duty Single Cylinder Mortise Lock, Grade 1 SGT-8205

Sargent 8205 Grade 1 Heavy Duty Single Cylinder Mortise Lock with Office/Entry Function

(No reviews yet) Write a Review

Model: 8205 EA 26D
From the 8200 Series Collection
$1,683.87
$1,184.38
Selected Finish is
Selected Rose is
Selected Lever is

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

$1,683.87
$1,184.38
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Sargent 8205 Grade 1 Heavy Duty Single Cylinder Mortise Lock with Office/Entry Function

Industry Benchmark Mortise Lock with Maximum Security and Performance

The Sargent 8205 Grade 1 heavy duty single cylinder mortise lock represents the industry benchmark for commercial mortise locks, delivering maximum security with 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw. This multifunctional lock body integrates with all SARGENT key systems including Degree, Signature, KESO, and XC, while offering field reversible handing for installation flexibility. UL 10C Fire-Rated up to 3 hours with positive pressure certification ensures life safety compliance.

Professional Features & Benefits

  • Exceptional Durability Testing: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched reliability in high-traffic commercial applications.
  • Heavy-Duty Construction: Robust lever-style mortise lock design with patented construction exceeds independently verified testing standards for superior strength and durability.
  • Grade 1 Certification: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 rating ensures commercial-grade performance and reliability.
  • Universal Key System Integration: Compatible with all SARGENT key systems (Degree, Signature, KESO, and XC) providing maximum flexibility for master key applications.
  • Fire-Rated Performance: UL 10C Fire-Rated up to 3 hours with positive pressure certification for life safety applications.
  • EcoFlex Energy Technology: Electromechanical version operates from 12 to 24VDC with EcoFlex technology reducing power consumption up to 96% for significant energy savings.
  • Comprehensive Function Options: Available in 56 different functions including electromechanical, security and monitoring options to meet diverse application requirements.
  • Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for added confidence and protection.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Verify electrical requirements match available power supply. Confirm voltage (12 to 24VDC) and current capacity before proceeding.
  2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
  3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
  4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
  5. Configure operational settings including any configurable options per application requirements.
  6. Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected systems.
  7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent 8200 Series mortise locks deliver professional-grade reliability with patented design and construction rated for 16 million cycles in UL testing. The 10-year limited warranty with 2-year electrical component coverage demonstrates the manufacturer's confidence in product durability. Engineered for demanding commercial applications where dependable performance and maximum security are essential.

Product Specs

Series:
8200 Series
Grade:
Grade 1
Keyed Function:
Single Cylinder
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Subcategory:
Bored Locksets
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Mortise
Lock Function:
Office/Entry
Product Type:
Mortise Locks
Duty Level:
Heavy Duty
Handle Type:
Lever
Product Attribute:
Mortise Locks
Electronic:
No
Product Function:
Entrance/Office
Product Category:
Mechanical Locks
Collection:
8200 Series
Department:
Door Hardware

Sargent 8205 EA 26D – Frequently Asked Questions

1) What does the Sargent 8205 office/entry function actually do at the door?
The 8205 is the office/entry function in Sargent's 8200 Series mortise line. The outside lever is locked or unlocked by key, and the inside lever always retracts the latch for free egress. It's a single cylinder lock, so there's a cylinder outside only. That's the function you want on a tenant suite door or an office someone needs to leave unlocked during business hours and secure on the way out. If you need the outside lever to stay locked at all times with key access only, that's a storeroom function instead.
2) Will the Sargent 8205 mortise lock fit a 1-3/4 inch commercial door with a 2-3/4 inch backset prep?
That's exactly the prep it's built for. The 8205 uses a 2-3/4 inch backset and is set up for 1-3/4 inch door thickness, which is the standard commercial door. Latchbolt throw is 3/4 inch. Handing is field reversible, so one lock body covers left or right hand openings without ordering a specific hand.
3) Can the Sargent 8205 go on a fire rated door?
Yes. The 8205 is UL 10C fire rated up to 3 hours with positive pressure certification, so it's usable on rated openings including stair and corridor doors in a 3 hour assembly.
4) Will the Sargent 8205 key into my existing Sargent master key system?
It will. The 8205 lock body works with all SARGENT key systems, including Degree, Signature, KESO, and XC, so it drops into an existing Sargent masterkey hierarchy. When you order, pick the cylinder route: standard cylinder, less cylinder, 70 prep for small format interchangeable core (less core), or 60 prep for large format interchangeable core (less core). Keying is specified separately as keyed different, keyed alike, or to a supplied key code, and you select the None keying option when you buy it less cylinder.
5) If I'm standardizing a building on SFIC cores, can I buy the Sargent 8205 less core?
Yes. Order it with the 70 option, which is small format interchangeable core prep supplied less core, and drop in your own SFIC. If your facility runs large format IC, the 60 option is the large format prep, also less core. Both let a locksmith core the building on one system rather than keying locks one at a time.
6) Do I need to run power to the Sargent 8205?
No. The 8205 is a mechanical, key operated mortise lock with no electronics, so there's no wiring, power supply, or transfer hinge required. If the opening needs to be released from an access control system or tied to a card reader, you're looking at a different product, such as the BEST 45HW wired electromechanical mortise lock which runs on 12V or 24V, or the Command Access ML190 motorized mortise lock with field selectable fail safe or fail secure operation at 24VDC.
7) I have a residential style mortise pocket with a 2-1/2 inch backset. Will the Sargent 8205 drop in?
No. The 8205 is a 2-3/4 inch backset commercial mortise body and won't line up with a 2-1/2 inch backset prep. For that pocket, Baldwin's 6301 entry/apartment and 6310 entry/storeroom mortise bodies are built on a 2-1/2 inch backset, in knob by knob or lever by lever. Confirm the pocket dimensions before you cut anything.
8) What is the closest equivalent to a Sargent 8205 office/entry mortise lock from another manufacturer?
The Cal-Royal NM8050 is the nearest match in function and grade: it is a heavy duty Grade 1 mortise lockset with an Entrance/Office function and an auxiliary deadlatch, listed for 1-3/4 inch doors. The Sargent 8205 is also a Grade 1 heavy duty mortise lock with an Office/Entry function and a lever handle. The main difference is keying ecosystem - the 8205 integrates with SARGENT key systems including Degree, Signature, KESO and XC, and is ordered with a standard cylinder, less cylinder, or small or large format interchangeable core prep.
9) I need a mortise lock that stays locked from the outside at all times - is the 8205 the right function?
No. The Sargent 8205 is an Office/Entry function, which allows the outside lever to be left unlocked for normal business hours. For an opening that must stay secured outside at all times with key-only entry, look at a storeroom function instead - the Accentra 8805FL is a Grade 1 storeroom mortise lock from the 8800 Series with an Arcadia lever, and the Cal-Royal NM8080 is a heavy duty Grade 1 storeroom mortise lockset with an interchangeable core option for 1-3/4 inch doors.
10) What should I use instead of the Sargent 8205 on a classroom door?
The 8205 is an Office/Entry function and does not provide classroom operation. For a classroom opening, the Corbin Russwin ML2003 is a Grade 1 mortise classroom lockset in the ML2000 Series for 1-3/4 inch doors, and the Cal-Royal NM8070 is a heavy duty Grade 1 classroom mortise lockset with auxiliary deadlatch, also for 1-3/4 inch doors. If the room needs lockdown from inside, the BEST 45HCA heavy duty mortise lockbody is offered in an Intruder function.
11) What is the difference between the Sargent 8205 and an electronic mortise lock like the Schlage LE or Alarm Lock Trilogy?
The 8205 is a mechanical, non-electronic lock - it is keyed with a single cylinder and carries no credential reader or keypad. 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, and the Alarm Lock DL3500CR is a Grade 1 electronic mortise lock with 300 user codes in a classroom function for doors 1-5/8 to 1-7/8 inches thick. Choose the 8205 when access is managed with keys and the electronic units when you need codes or credentials and audit capability.
12) Our access control spec calls for electrified mortise locks - does the 8205 cover that or do I need a different part?
The 8205 ordered as shown is the mechanical version and is not electronic. For an electrified opening, the BEST 45HW is a heavy duty wired electromechanical mortise lock with 12V/24V operation, the Command Access ML190 is a heavy-duty motorized mortise lock with field selectable EL/EU operation on 24VDC in a storeroom function, and the Schlage L9092EU with 03A trim is a heavy duty electric lock/unlock outside lever mortise lock, keyed outside, with request to exit on 12/24VDC for 1-3/4 inch doors.
13) Will a Baldwin 6301 mortise lock body work in the same prep as a Sargent 8205?
Treat them as different preps. The Baldwin 6301 Entry/Apartment mortise lock body is built on a 2-1/2 inch backset for doors 1-3/4 inch and over, while the Sargent 8205 uses a 2-3/4 inch backset on 1-3/4 inch doors. The backset difference changes the lever and cylinder hole locations in the door, so swapping between them means re-prepping the stile. The 8205 also takes lever trim in E, L, LN and O roses with eight lever designs, where the 6301 is offered as knob by knob and the 6301LS as lever by lever.
14) Does the Sargent 8205 fit a 1-5/8 inch door, or should I look at something else?
The 8205 is specified for 1-3/4 inch door thickness. If your doors measure thinner, the Alarm Lock Trilogy units cover 1-5/8 to 1-7/8 inches - the DL2700CR is a Grade 1 classroom function electronic mortise lock with weatherproof design, and the DL4500 is a Grade 1 electronic mortise deadbolt with 2,000 user codes and privacy keypad in that same thickness range. Note those are keypad units rather than key-only mechanical locks.
15) Is the Sargent 8205 rated for a high traffic entrance?
It's a Grade 1 heavy duty lock, certified to ANSI/BHMA A156.13 Series 1000 Operational Grade 1, and Sargent ran it through UL's Above and Beyond cycle test to 16 million cycles (Verification ID V584148). For a main tenant entry, a school corridor, or a healthcare door that gets used all day, that's the duty level you want.
16) What lever and rose choices do I have to specify on a Sargent 8205, and what size are the roses?
Levers come in eight designs: A, B, E, F, J, L, P and W. Roses are four: LN at 2 inches (51mm), O at 2-3/4 inches (67mm), E at 3-1/16 inches (78mm), and L at 3-1/2 inches (89mm). Pick the rose to match what's already on adjacent doors if you're matching a floor, since the rose diameter is the visible difference from the corridor.
17) What are the alternatives to the Sargent 8205 if I need a different function on the same opening?
Same office/entrance function from another brand: the Cal-Royal NM8050, a Grade 1 heavy duty office/entrance mortise lockset with auxiliary deadlatch, prepped for 1-3/4 inch doors. If the door needs classroom function instead, the Corbin Russwin ML2003 is a Grade 1 mortise classroom lockset for 1-3/4 inch doors, or Cal-Royal's NM8070. For a storeroom door that stays locked, look at the Accentra 8805FL Grade 1 storeroom mortise or the Cal-Royal NM8080, which offers an interchangeable core option. Restroom or bedroom doors take a privacy function such as the Cal-Royal NM8440 with deadbolt.
18) Do I have to order the Sargent 8205 handed?
No. Handing is field reversible on the 8205, so the same lock covers left hand, right hand, and the reverse bevels. That matters for a property manager buying a batch for mixed openings, or a contractor who doesn't want a hand mix-up holding up a punch list. What you do need to nail down at order time is finish, lever design, rose, cylinder option and keying.
19) Can I use the Sargent 8205 on a restroom or bedroom door?
The 8205 is keyed with a single cylinder in an Office/Entry function, so it is not a privacy lock. For bed and bath openings use a privacy function instead: the Cal-Royal NM8440 is a heavy duty Grade 1 privacy mortise lockset with deadbolt for 1-3/4 inch doors, and the Hager 3840S is a Grade 1 privacy mortise lock with a 2-3/4 inch backset for doors 1-3/4 to 2 inches thick.
20) Is there a non-keyed mortise lock I can use on the interior doors where the 8205 is overkill?
Yes. The 8205 is a keyed single cylinder lock, so for openings that do not need a key, the Falcon MA101 is a Grade 1 heavy-duty mortise passage lock with field reversible operation and a fire rating, and the Schlage PM010 is a Grade 1 non-keyed passage latch mortise lock for 1-3/4 inch doors. Hager also offers the 3850E as a Grade 1 non-keyed office mortise lock with lever and escutcheon on a 2-3/4 inch backset.
21) What looks like a substitute for the Sargent 8205 but will not actually lock the door?
Dummy and half dummy trim. The Schlage L0170 is a Grade 1 mortise half dummy trim in the L Series for 1-3/4 inch doors, and the Emtek 3019 Brisbane, 3102 Memphis, 3104 Hamilton and 3106 Manhattan are dummy mortise entrance locksets. These carry no latch or cylinder and mount on inactive leaves for appearance only. The 8205 is a keyed single cylinder lock with a working latchbolt and a 3/4 inch throw.
22) Is a cylindrical lock an option instead of the Sargent 8205, and what changes?
Only if you are willing to change the door prep. The 8205 is a mortise lock, which requires a pocket machined into the door edge. A cylindrical lock such as the Schlage PC10, a Grade 1 non-keyed passage cylindrical lock with rose for 1-3/4 inch doors, installs into bored holes instead. Mortise and cylindrical preps are not interchangeable without modifying or replacing the door, so on an existing mortise pocket the 8205 is the direct route.
23) For a behavioral health unit, can I specify the Sargent 8205 or do I need anti-ligature trim?
For ligature resistant openings, specify hardware built for it. The TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset in passage function for 1-3/4 inch doors, the MRX-A-01 is the same passage function with satin stainless ligature resistant arch trim, and the Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset that is ligature resistant and ADA compliant in satin stainless steel. The Sargent 8205 is a conventional lever trim lock for commercial openings.
24) We already standardized on BEST mortise lock bodies - what is the BEST equivalent to the Sargent 8205?
Function is the deciding point. The BEST 45H Series heavy duty mortise lock body is offered in a Public Entrance function with field reversible operation, which is the closest BEST body to an entry-type opening; the Sargent 8205 is an Office/Entry function and is also field reversible for handing. If your BEST standard is driven by interchangeable cores, the 8205 can be ordered with small format or large format interchangeable core prep, less core.
25) If I want keypad entry on a fire-rated opening instead of the keyed Sargent 8205, what mortise locks should I look at?
The 8205 is UL 10C fire-rated up to 3 hours with positive pressure certification and is keyed rather than electronic. For keypad or credential entry, the Dormakaba E-Plex E5086 is a Grade 1 electronic pushbutton and card back-to-back mortise lock, the BEST 45HZ EZ Series is an electronic keypad mortise lock with key override, and the Accentra NTM623-NR is a Grade 1 nexTouch Generation 3 mortise lock with capacitive touchscreen keypad and cylinder override, no deadbolt. Confirm the fire label requirement for the specific opening with each of those.
26) Is the TownSteel FME-2000 a drop-in alternative to the Sargent 8205?
Not for the same opening. The TownSteel FME-2000 is a Grade 1 heavy duty mortise lockset with RFID technology in a classroom function for 1-3/4 inch doors, so it changes both the credential method and the function. The Sargent 8205 is a mechanical Office/Entry lock keyed with a single cylinder. The two share Grade 1 heavy duty construction and the 1-3/4 inch door thickness, so if the spec is moving from keys to RFID on a classroom door the FME-2000 is the direction; for a keyed office door it is not a substitute.
27) What finishes can I get the Sargent 8205 in to match the rest of my building?
Sixteen finishes are offered: 03 bright brass, 04 satin brass, 09 bright bronze, 10 satin bronze, 10B oil rubbed dark oxidized satin bronze, 10BE, 10BL, 14 bright nickel, 15 satin nickel, 20D dark statuary bronze, 26 bright chrome, 26D satin chrome, 32 bright stainless, 32D satin stainless, plus BSP black suede powder coat and WSP white suede powder coat. 26D and 32D are the usual commercial defaults if you're matching existing corridor hardware.
28) Is there an installation template for the Sargent 8205 mortise prep?
Yes. Sargent publishes a 7800/8200 Series mortise lock installation template covering all sectional rose trims and escutcheon trims, and a full 7800/8200 mortise lock catalog. Both are posted with the product for the shop or the field crew doing the door prep.
How fast can I get the Sargent 8205 EA 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 8205 EA 26D come with a warranty?
Absolutely. The Sargent 8205 EA 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 8205 EA 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
Why buy the Sargent 8205 EA 26D from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!