Marks USA MAR195NB 195NB Commu...
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$287.61
$138.06

Marks USA MAR195NB 195NB Communicating Passage Clutched Lever Lockset — Survivor Series with Stainless Steel Clutch

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Model: MAR195NB/26D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$287.61
$138.06
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Marks USA 195NB Communicating Passage Clutched Lever Lockset — Survivor Series with Lifetime Mechanical Warranty

The Marks USA 195NB is a commercial-grade cylindrical communicating passage lever lockset from the Survivor Series, engineered with a unique stainless steel clutch mechanism and bronze roller bearings that dramatically reduce wear, eliminate lever droop, and extend service life well beyond standard industry benchmarks. Designed for door thicknesses of 1-5/8" to 1-7/8" (with K1904 spacer for 1-3/8" doors), the 195NB supports both 2-3/8" and 2-3/4" backsets and carries a 3-Hour Fire Rating. The cast retractor on bronze roller bearings and solid cast zamac levers deliver a durable, lower-maintenance solution for high-traffic commercial environments, exceeding BHMA Grade 1 specifications by 300% — over 3.6 million cycles.

Key Features

  • Exceptional Cycle Durability: Exceeds BHMA Grade 1 specifications by 300%, tested to over 3.6 million cycles for unmatched long-term reliability in demanding commercial applications.
  • Unique Stainless Steel Clutch Mechanism: When locked, levers disengage from the retractor and interior mechanisms, swinging freely without resistance — eliminating lever droop and dramatically reducing component wear.
  • Bronze Roller Bearing Construction: Cast retractors on bronze roller bearings provide a strong, durable chassis foundation that contributes to the lockset's millions-of-cycles service life.
  • Backset & Door Compatibility: Accommodates 2-3/8" and 2-3/4" backsets; fits door thicknesses of 1-5/8" to 1-7/8"; use K1904 spacer for 1-3/8" doors.
  • Latch Specifications: Latch #1834 with 1-1/8" x 2-1/4" front, 9/16" throw, and stainless steel nose for reliable latching performance.
  • Thru-Bolted Rose Design: 3-7/16" diameter roses are spring-loaded and secured with 2 #10 thru-bolts for a solid, tamper-resistant installation.
  • Strike Included: Ships with #1135 4-7/8" ASA curved lip strike for complete, ready-to-install configuration.
  • 3-Hour Fire Rated: Meets fire door requirements for use in rated assemblies, supporting code compliance in commercial construction.
  • Marks Lifetime Mechanical Warranty: Backed by Marks USA's Lifetime Mechanical Warranty for long-term confidence and protection.

Certifications & Compliance

  • Exceeds ANSI/BHMA Grade 1 by 300% — over 3.6 million cycles
  • ANSI/BHMA Certified, 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

  • Commercial Office Buildings — communicating passage between adjoining suites or offices
  • Healthcare Facilities — high-cycle corridor and patient room passage doors
  • Educational Institutions — classroom and administrative passage doors requiring fire-rated hardware
  • Hotel and Hospitality Properties — communicating room and suite passage configurations
  • Government and Municipal Buildings — high-traffic passage doors requiring ADA-compliant hardware
  • Multi-Tenant Residential and Mixed-Use Properties — fire-rated passage door applications
  • Retail and Commercial Establishments — interior passage doors in high-use environments

Why Marks USA 195NB?

Marks USA 195NB Survivor Series locksets are built around a proprietary stainless steel clutch and bronze roller bearing chassis that exceeds BHMA Grade 1 performance by 300%, delivering over 3.6 million cycles of reliable operation. Solid cast zamac levers, a thru-bolted rose assembly, and a stainless steel nose latch combine with 3-Hour Fire Rating and ADA compliance to make the 195NB an engineered solution for the most demanding commercial passage door applications.

Manufacturer Resources

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 MAR195NB/26D – Frequently Asked Questions

1) What backset does the Marks 195NB lockset use, and can I reuse the existing bore on my door?
The 195NB supports both 2-3/8 inch and 2-3/4 inch backsets, which are the two standard cylindrical bore positions, so an existing cylindrical prep at either will take it. The catalogued backset for the lockset is 2-3/4 inch. Latch front is 1-1/8 x 2-1/4 inches, so it suits a standard radius or square latch mortise of that size.
2) Does the Marks 195NB come with a strike, or do I need to order one separately?
A #1135 strike ships with it, 4-7/8 inch ASA with a curved lip, so the frame side is covered. The latch is #1834 with a 9/16 inch deadlocking throw and a stainless steel nose. If your frame already has a 4-7/8 inch ASA cutout, the included strike lands in it.
3) Is the Marks USA 195NB keyed, or does it just latch?
It is a non-keyed passage lock, ANSI function F75. The latch retracts from the lever on either side at all times, with no locking and no cylinder. If you need to secure the opening, this is the wrong function - look at an entrance or privacy lock instead.
4) Can I use the Marks 195NB on a fire-rated door?
Yes. The 195NB carries a 3-hour fire rating and is UL Listed, with the deadlocking latch that rated assemblies require. It is also ADA compliant, which matters for corridor and patient-room openings where the lever has to operate without tight grasping.
5) What is the closest Grade 1 passage lever alternative to the Marks USA 195NB?
The Cal-Royal CAL30 Calypso Series is the nearest straight equivalent: it is a Grade 1 extra heavy duty cylindrical passage lockset with a passage/hall/closet function, the same function family as the Marks USA 195NB, which is Grade 1 with an F75 passage function where the latch is retracted by the levers at all times. The CAL30 covers a 1-3/8 inch to 2 inch door thickness range, so it takes a 1-3/8 inch door without a spacer, while the 195NB is built for 1-5/8 inch to 1-7/8 inch doors and uses the K1904 spacer at 1-3/8 inch.
6) The 195NB has no lock at all. What should I use if the room needs to be locked from inside?
The Marks USA 195NB is non-keyed with an F75 passage function, so the levers always retract the latch. For a bathroom or bedroom door that has to secure from inside, the Cal-Royal CAL20 is a Grade 1 extra heavy duty privacy lock, and the Orca Hardware OCL240 is a Grade 2 medium duty privacy cylindrical lockset. For a keyed opening, the Dorma C853 is a Grade 1 single cylinder entry lever in the C800 Series, and the Orca OCL250 is a Grade 2 entrance lockset.
7) I need a passage function on a 2 inch thick door. Does the Marks USA 195NB fit, or is there another option?
The Marks USA 195NB is specified for 1-5/8 inch to 1-7/8 inch door thicknesses, so a 2 inch door is outside its range. The Cal-Royal CAL30 Grade 1 passage lockset covers 1-3/8 inch to 2 inch, and the Lockey 2830 mechanical pushbutton knob lock with auto-locking passage function covers 1-1/8 inch to 2 inch. Both hold a passage/hall/closet function.
8) For a classroom door, is the Marks USA 195NB the right lock?
The Marks USA 195NB is a passage lockset - the latch is retracted by the levers at all times, so it cannot secure a classroom. It is used on classroom and administrative passage doors where locking is not required. For a lockable classroom opening, the TownSteel XCE-2000 and XCE-9000 are Grade 1 heavy duty electronic cylindrical locksets with keypads and a classroom function, the XCE-9000 being the classroom intruder version, and the Schlage XE360M is a Grade 1 wireless tubular lock with a classroom/storeroom function.
9) What does the clutch in the Marks Survivor Series actually do for me?
On a normal passage lever, the lever is tied straight to the retractor and years of people hanging on it produce droop and a sloppy feel. The 195NB uses a stainless steel clutch on bronze roller bearings so the lever loading does not carry into the chassis. That is a large part of why it tests past 3.6 million cycles, three times the ANSI/BHMA Grade 1 requirement, and why maintenance crews see fewer callbacks on high-traffic corridors.
10) How is the Marks 195NB rose mounted - is it through-bolted?
Yes. The 3-7/16 inch diameter roses are spring-loaded and fastened with two #10 thru-bolts through the door, which is what you want on a high-abuse opening where a snap-on rose gets pried or works loose.
11) I need a non-locking lever for a closet door - is a passage lockset or a dummy trim the right call?
If the door has a latch and needs to stay shut, use a passage set like the 195NB: the lever retracts a deadlocking latch, no key, no lock. If the door is held by a ball catch or roller catch and the lever is only a pull, a dummy trim is what you want - the Dorma C501 single dummy or the Orca OCL2170 half dummy are the non-functioning versions. A dummy has no latch at all, so it will not keep a door closed on its own.
12) Will the Marks 195NB latch into a strike I already have, or do I need to re-prep the frame?
The latch throws 9/16 inch, which is standard for a cylindrical lockset, so an existing commercial strike with a matching lip and a 4-7/8 inch ASA cutout will catch it. Where frames vary is the strike cutout size, not the throw - if your frame is prepped for a 4-7/8 inch ASA strike, the included #1135 drops in and no frame work is needed.
13) Is the Marks 195NB suitable for a school or hospital corridor, or is it residential grade?
It is commercial-duty hardware, not residential. Grade 1 chassis, ANSI/BHMA certified, UL Listed, 3-hour fire rated, ADA compliant, and tested past 3.6 million cycles. Those are the boxes an institutional spec asks about for classroom, patient room, and corridor passage openings.
14) Is there a lighter duty passage lever than the Marks USA 195NB for 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 lever in the CL700 Series with a passage/hall/closet function. Both sit a grade below the Marks USA 195NB, which is Grade 1 and tested past 3.6 million cycles with a stainless steel clutch and bronze roller bearing chassis for high-traffic commercial openings.
15) Can I use a dummy lever instead of the Marks USA 195NB?
Only if the door has no latch. The Marks USA 195NB is a working cylindrical lockset with a deadlocking #1834 latch, 9/16 inch throw and a 1-1/8 by 2-1/4 inch front, so it latches the door. The Dorma C501 and the Orca OCL2170 are dummy trim - the C501 is a Grade 2 single dummy keyless lever and the OCL2170 is a Grade 2 half dummy lever - both surface-mounted pulls with no latch or chassis behind them.
16) What is the difference between the Marks USA 195NB and an electronic cylindrical lock like the Alarm Lock DL2700?
The Marks USA 195NB is a mechanical, non-keyed passage lockset - no credentials, no access control, the lever always opens the door. 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 same 1-5/8 inch to 1-7/8 inch door thickness range as the 195NB. If you need code entry or an audit trail, the Alarm Lock T3 DL3075 adds audit trail reporting on a Grade 1 chassis.
17) Which Grade 1 lever should I use on an office door that needs a key, if the Marks USA 195NB is the passage version?
The Dorma C150 in the C100 Series is a Grade 1 heavy-duty cylindrical lock with an entry/office function and a 1-3/8 inch to 2-1/4 inch door thickness range, which makes it the keyed counterpart to a Grade 1 passage lever like the Marks USA 195NB. The Dorma C853 is also Grade 1, single cylinder entry, over the same 1-3/8 inch to 2-1/4 inch range. The 195NB itself is non-keyed.
18) What are the fire-rated Grade 1 alternatives if I need a keypad on a door where I would otherwise spec the Marks USA 195NB?
The Marks USA 195NB is 3-Hour Fire Rated, ANSI/BHMA certified and UL Listed, but it is mechanical and non-keyed. For keypad entry on a Grade 1 cylindrical chassis, the Schlage NDEB ENGAGE Series is a Grade 1 heavy duty wireless cylindrical lock with Bluetooth Low Energy covering 1-5/8 inch to 2 inch doors, and the BEST 9KZ EZ Series is an electronic keypad cylindrical lock with key override. Verify the fire label on whichever electronic model you choose against your opening.
19) Is the Stanley QTL230E passage lever a drop-in substitute for the Marks USA 195NB?
They are not the same class of product. The Marks USA 195NB is a Grade 1 cylindrical passage lockset with a 2-3/4 inch backset, a deadlocking latch with a 9/16 inch throw and a 1-1/8 by 2-1/4 inch front, shipping with a 4-7/8 inch ASA curved lip strike. The Stanley QTL230E-SA-478S is a QTL200 Series Sierra bent lever with a small rose, adjustable square latch and a 4-7/8 inch by 1-1/4 inch ANSI strike. The strike prep is comparable, but confirm rose diameter against the 195NB 3-7/16 inch thru-bolted rose if you are covering existing holes.
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Does the Marks USA MAR195NB/26D come with a warranty?
Absolutely. The Marks USA MAR195NB/26D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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