Marks USA MAR195RSB 195RSB Com...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$338.16
$214.32
Marks USA 195RSB Communicating Classroom Clutched Lever Lockset, Small Format IC, Less Core, Grade 1

Marks USA MAR195RSB 195RSB Communicating Classroom Clutched Lever Lockset, Small Format IC, Less Core, Grade 1

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Model: 195RSB/3
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Marks USA 195RSB Communicating Classroom Clutched Lever Lockset — Small Format IC, Less Core, Grade 1

The Marks USA 195RSB is a commercial-grade communicating classroom clutched lever lockset from the 195 Series, engineered for demanding institutional environments where durability and long-term performance are essential. Built on a cylindrical chassis with cast retractors on bronze roller bearings, this lockset features a unique stainless steel clutch mechanism that disengages the levers from the retractor when locked, eliminating lever droop and dramatically reducing wear. Rated to exceed BHMA Grade 1 specifications by 300% — over 3.6 million cycles — and carrying a 3-Hour Fire Rating, the 195RSB is designed for doors with a thickness of 1-5/8" to 1-7/8" and supports both 2-3/8" and 2-3/4" backsets. The Small Format Interchangeable Core (SFIC) configuration ships less core for maximum keying flexibility.

Key Features

  • Exceptional Cycle Durability: Exceeds BHMA Grade 1 specifications by 300%, rated for over 3.6 million cycles for unmatched long-term reliability in high-traffic applications.
  • Unique Clutch Mechanism: Stainless steel clutch and bronze bearings disengage levers from interior lock mechanisms when locked, eliminating lever droop and dramatically reducing component wear.
  • 3-Hour Fire Rating: Certified 3-Hour Fire Rated construction for use in fire-rated door assemblies in commercial and institutional settings.
  • Dual Backset Compatibility: Supports both 2-3/8" and 2-3/4" backsets (standard backset: 2-3/4") for flexible installation across a variety of door preparations.
  • Door Thickness Range: Accommodates doors 1-5/8" to 1-7/8" thick; use K1904 spacer for 1-3/8" doors.
  • Latch & Strike Specifications: Includes Latch #1834 with 1-1/8" x 2-1/4" front, 9/16" throw, and stainless steel nose; Strike #1135 is a 4-7/8" ASA curved lip strike.
  • Solid Cast Zamac Levers: Levers are solid cast zamac with 1/2" return, mounted on thru-bolted roses (3-7/16" dia., spring-loaded with 2 #10 thru-bolts) for secure, lasting attachment.
  • Small Format IC, Less Core: Ships without core for compatibility with small format interchangeable core systems, providing maximum keying and master key flexibility.
  • Marks Lifetime Mechanical Warranty: Backed by Marks' Lifetime Mechanical Warranty for long-term confidence and protection.

Certifications & Compliance

  • ANSI/BHMA Grade 1 — Exceeds by 300% (3.6 million cycles)
  • UL Listed
  • 3-Hour Fire Rated
  • ADA Compliant
  • Marks Lifetime Mechanical Warranty

Technical Specifications

  • Series: 195 Series
  • Product Group: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • ANSI/BHMA: ANSI/BHMA, UL Listed
  • Commercial/Residential: Commercial
  • Function Description: Latch retracted by knobs/levers at all times
  • ADA Compliant: Yes
  • Keyed: No
  • ANSI Function: F75
  • Product Function: Passage/Hall/Closet
  • Latch Type Specification: Deadlocking
  • Product Category: Mechanical Locks
  • Department: Door Hardware

Typical Applications

  • K–12 Educational Facilities and Classrooms
  • College and University Campus Buildings
  • Healthcare and Hospital Corridors
  • Government and Municipal Buildings
  • Commercial Office Buildings
  • Institutional and Multi-Use Facilities
  • Fire-Rated Door Assemblies in High-Traffic Areas

Why Marks USA 195RSB?

Marks USA 195 Series locksets are built on a cylindrical chassis with cast retractors on bronze roller bearings and a proprietary stainless steel clutch mechanism that sets them apart from standard lever locksets. By exceeding BHMA Grade 1 requirements by 300% — achieving over 3.6 million cycles — and carrying a 3-Hour Fire Rating with ADA compliance and UL listing, the 195RSB delivers professional-grade performance engineered for the most demanding commercial and institutional environments. Backed by the Marks Lifetime Mechanical Warranty, this lockset is a dependable, lower-maintenance solution for facilities that cannot afford downtime.

Manufacturer Resources

Marks USA Product Catalog

Product Specs

Series:
195 Series
Latch Throw:
9/16"
Grade:
Grade 1
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Cylindrical Locks
Subcategory:
Cylindrical Locks
ANSI/BHMA:
ANSI/BHMA, UL Listed
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Function Description:
Latch retracted by knobs/levers at all times
Front Size:
1-1/8” x 2-1/4”
ADA Compliant:
Yes
Keyed:
No
ANSI Function:
F75
Product Attribute:
Cylindrical Locks
Product Function:
Passage/Hall/Closet
Latch Type Specification:
Deadlocking
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"
Department:
Door Hardware

Marks USA 195RSB/3 – Frequently Asked Questions

1) Will the Marks USA 195RSB fit a 1-3/4 inch commercial door?
Yes. The 195RSB lever lockset covers doors 1-5/8 inch to 1-7/8 inch thick, so a standard 1-3/4 inch commercial door falls in the middle of the range. For a thinner 1-3/8 inch door you need the K1904 spacer.
2) Does the Marks 195RSB work with a 2-3/8 inch backset door prep, or only 2-3/4?
Both. The 195 Series chassis supports 2-3/8 inch and 2-3/4 inch backsets, with 2-3/4 inch as the standard. That matters on retrofits where the existing cross-bore was drilled for the shallower backset.
3) Do I need to order cylinders separately for the Marks 195RSB?
Yes. It's a small format interchangeable core configuration supplied less core, so you add SFIC cores in your own keyway and master key system. For a school or campus already running SFIC, that means the lock joins your existing keying with no cylinder swap.
4) Is the Marks 195RSB approved for a 3-hour fire rated door opening?
It carries a 3-Hour Fire Rating and is UL Listed, so it can go on fire rated door assemblies. It's also ANSI/BHMA Grade 1 and ADA compliant, which covers the usual institutional spec requirements for corridor and classroom openings.
5) What is a comparable Grade 1 mechanical passage lever if the Marks 195RSB does not fit the opening?
The Cal-Royal CAL30 Calypso is a Grade 1 extra heavy duty passage cylindrical lockset with a passage/hall/closet function, the same function family as the Marks 195RSB. The main difference for fitting the opening is door thickness: the CAL30 covers 1-3/8 inch to 2 inch doors, while the 195RSB is built for 1-5/8 inch to 1-7/8 inch doors and needs the K1904 spacer to go down to 1-3/8 inch. The 195RSB is also an SFIC less core lockset, so it takes a small format interchangeable core; the CAL30 is a non-keyed passage function.
6) If I need keyed entry on the door rather than the Marks 195RSB, what cylindrical locks cover that?
The Marks USA 195RSB is a non-keyed lever lockset with the latch retracted by the levers at all times. For a keyed opening, the Dorma C853 is a Grade 1 single cylinder keyed entry lever, the Dorma C150 is a Grade 1 entry/office cylindrical lock covering 1-3/8 inch to 2-1/4 inch doors, and the Orca OCL250 is a Grade 2 entrance cylindrical lockset. All three are mechanical cylindrical chassis like the 195RSB, so the door prep concept is the same.
7) We want keypad access on classroom doors instead of the Marks 195RSB. What cylindrical options fit that?
The Marks USA 195RSB is a purely mechanical lever lockset that takes a small format interchangeable core and ships less core. If you want code entry on the same style of cylindrical prep, the Alarm Lock Trilogy T2 DL2700 is a Grade 1 standalone electronic cylindrical entrance lock with a digital keypad, 100 user codes and IC/SFIC compatibility, and it shares the 1-5/8 inch to 1-7/8 inch door thickness range the 195RSB is built for. For classroom-specific electronics, the TownSteel XCE-2000 is a Grade 1 heavy duty keypad cylindrical lockset with a classroom function for 1-3/4 inch to 2 inch doors.
8) Is the Schlage NDEB or the TownSteel FCE-4000 a direct substitute for the Marks 195RSB?
No. Both are electronic locks, not mechanical. The Schlage NDEB is a Grade 1 ENGAGE wireless cylindrical lock using 2.4 GHz Bluetooth Low Energy with storeroom, office, privacy and apartment functions for 1-5/8 inch to 2 inch doors, and the TownSteel FCE-4000 is a Grade 1 RFID electronic intruder classroom lockset for 1-3/4 inch doors. The Marks 195RSB is a mechanical clutched lever with an SFIC prep and no power, batteries, credentials or programming. They match on Grade 1 and on a cylindrical chassis, but they are not swap-for-swap.
9) What does the clutch mechanism on the Marks 195 Series actually do for me?
The stainless steel clutch disengages the levers from the retractor when the lock is secured, so pushing or hanging on a locked lever doesn't load the internal mechanism. Practically, it kills lever droop, which is the single most common reason lever locks get replaced in high traffic buildings. Cast retractors ride on bronze roller bearings, and the lock is rated past 3.6 million cycles, 300 percent over BHMA Grade 1.
10) How do the levers mount, and is thru-bolting included?
Levers are solid cast zamac with a 1/2 inch return, mounted on 3-7/16 inch diameter spring-loaded roses that thru-bolt with two #10 bolts. The thru-bolting is what keeps the trim tight on abused doors rather than relying on set screws alone.
11) What other Grade 1 cylindrical passage levers could I use instead of the Marks 195RSB?
On the mechanical side, the Cal-Royal CAL30 Calypso is a Grade 1 extra heavy duty passage cylindrical lockset with a wider 1-3/8 to 2 inch door thickness range, useful if your doors fall outside 1-5/8 to 1-7/8. For a lighter duty budget opening, the Orca OCL210 is a Grade 2 medium duty passage lockset. The Dorma CL700 CL701 is Grade 2 but a single dummy, so it has no working latch.
12) Should I use a mechanical lock like the 195RSB or an electronic classroom lock for a school retrofit?
If your keying is already SFIC and you want no batteries and no audit requirement, the mechanical 195RSB is the simpler standardization: same cores, same keys, nothing to power. If you need code-based access, audit trail, or classroom lockdown from inside, look at the TownSteel FCE-4000 RFID intruder classroom lockset or XCE-9000 keypad intruder classroom lockset, both Grade 1, or the Alarm Lock Trilogy T2 DL2700, a Grade 1 standalone keypad lock that is IC/SFIC compatible and fits the same 1-5/8 to 1-7/8 inch doors.
13) Is the Marks 195RSB actually keyed, or does the lever always retract the latch?
The 195RSB is set up as an F75 function with the latch retracted by the levers at all times, and it ships non-keyed. Build the keyed side of your opening around an SFIC core if key control is required on that leaf.
14) Is there a lighter duty lever I can use instead of the Marks 195RSB on low traffic interior doors?
Yes. The Orca Hardware OCL210 is a medium duty Grade 2 passage cylindrical lockset, and the Dorma CL701 is a Grade 2 non-keyed passage lever. Both cover the same passage function as the Marks 195RSB, which is Grade 1 and rated past 3.6 million cycles with a 3-hour fire rating and a stainless steel clutch mechanism. On a closet or a low-use office door the Grade 2 levers are a common choice; on high-traffic institutional corridors the 195RSB is the heavier chassis.
15) What should I use instead of the Marks 195RSB on a restroom or bedroom door that needs privacy?
The 195RSB is a passage function lever, so it has no privacy lock. For privacy, the Cal-Royal CAL20 is a Grade 1 extra heavy duty privacy lock for 1-3/8 inch to 2 inch doors, and the Orca OCL240 is a medium duty Grade 2 privacy cylindrical lockset. Both are mechanical cylindrical locks in the same chassis style as the 195RSB.
16) I only need trim on the inactive leaf, not a working Marks 195RSB. What is the right part?
For non-operating trim, look at dummy levers rather than the 195RSB, which is a functioning cylindrical lockset whose latch retracts with the lever. The Dorma C501 is a single dummy lever lockset for 1-3/8 inch to 1-3/4 inch doors, the Dorma CL701 is a Grade 2 single dummy non-keyed lever, and the Orca OCL2170 is a Grade 2 half dummy lever. Dummy trim surface mounts and has no latch, so it will not fill a bored prep the way the 195RSB does.
17) Will a Lockey 2830 work where I was going to put a Marks 195RSB?
They serve different needs. The Lockey 2830 is a mechanical pushbutton keyless knob lock with an auto-locking passage function covering 1-1/8 inch to 2 inch doors, so it controls entry by code and uses a knob rather than a lever. The Marks USA 195RSB is an ADA compliant lever lockset with a 1/2 inch return on solid cast zamac levers and a 3-hour fire rating. If the opening is an ADA path of travel or a fire-rated assembly, the lever is the one to specify.
18) What is the difference between the Marks 195RSB and the Stanley QCL150 entry lever?
The Stanley Security QCL150 is a Grade 2 entrance lever in the QCL100 Series with a Sierra bent lever on a rose, less cylinder, a square 2-3/4 inch backset latch and a 4-7/8 inch by 1-1/4 inch ASA strike. The Marks USA 195RSB is Grade 1, non-keyed, with a 2-3/4 inch standard backset, a 1-1/8 inch by 2-1/4 inch latch front, 9/16 inch deadlocking throw, and a 4-7/8 inch ASA curved lip strike. Backset matches, so the bore center is the same; the grade, the keying and the strike lip differ.
19) What finish does the Marks 195RSB lever lockset come in?
US3 bright brass. If you are matching existing hardware in a building standardized on satin chrome or oil-rubbed bronze, this one will not blend in.
How fast can I get the Marks USA 195RSB/3 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 Marks USA 195RSB/3 come with a warranty?
Absolutely. The Marks USA 195RSB/3 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 Marks USA 195RSB/3?
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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