Marks USA MAR175N 175N Passage...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$133.07
$67.08
Marks USA Marks USA 175N - Passage Lever Lockset - Grade 2 Survivor Series, American Lever 175N

Marks USA MAR175N 175N Passage Lever Lockset — Grade 2 Survivor Series, ADA Compliant, Solid Cast Zamac American Lever

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Model: 175N26D-3/4
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$67.08
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Marks USA 175N Passage Lever Lockset — Grade 2 Survivor Series, ADA Compliant, Solid Cast Zamac American Lever

The Marks USA 175N is a Grade 2 Survivor Series cylindrical passage lever lockset engineered to deliver Grade 1-level performance at a Grade 2 price point. Featuring a solid cast Zamac American lever and a 1/2" latch throw, this lockset is designed for 1-3/4" door thickness with a 2-3/4" backset, making it a reliable choice for a wide range of commercial door applications. ANSI Function F75 ensures the latch is retracted by levers at all times, providing smooth, unobstructed passage. ADA compliant and UL Listed, the 175N meets the demands of modern commercial environments including office buildings, schools, universities, and hospitals.

Key Features

  • Grade 2 Survivor Series Performance: Engineered to deliver the performance and quality of a Grade 1 lockset at a Grade 2 price, ideal for cost-conscious commercial projects.
  • Solid Cast Zamac Lever: American lever style constructed from solid cast Zamac for durable, long-lasting operation in high-use environments.
  • 1/2" Latch Throw: Provides secure and reliable door latching with a 1/2" latch throw for consistent engagement.
  • Door Thickness Compatibility: Designed for 1-3/4" door thickness with a standard 2-3/4" backset for straightforward installation on commercial doors.
  • Front Size & Strike Dimensions: 1-1/8" x 2-1/4" front size; includes ANSI-standard strike measuring 1-1/4" x 4-7/8" with 1-1/4" lip and square corner for precise fit.
  • ANSI Function F75 — Passage/Hall/Closet: Latch retracted by levers at all times, providing free passage without the need for a key or turn button.
  • ADA Compliant: Lever design meets ADA accessibility requirements, supporting compliance in public and commercial facilities.
  • Cylindrical Bored Lockset: Standard cylindrical lock format for easy installation in pre-bored commercial doors across a wide range of applications.

Certifications & Compliance

  • ANSI/BHMA Certified
  • UL Listed
  • ADA Compliant
  • ANSI Function F75

Technical Specifications

  • Series: 175 Series
  • Latch Throw: 1/2"
  • Product Group: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • Product Type: Cylindrical Locks
  • Subcategory: Cylindrical Locks
  • ANSI/BHMA: ANSI/BHMA, UL Listed
  • 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
  • Door Thickness Range: 1-3/4"
  • Strike Classification: ANSI, 1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner
  • Product Category: Mechanical Locks
  • Backset (Distance): 2-3/4"
  • Department: Door Hardware

Typical Applications

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

Why Marks USA 175N?

The Marks USA 175N Survivor Series passage lockset is built with solid cast Zamac construction and certified to ANSI/BHMA and UL standards, delivering dependable commercial-grade performance at an accessible price. Its ADA-compliant American lever design and ANSI F75 function make it a versatile, code-friendly solution for high-traffic passage doors in demanding commercial environments.

Manufacturer Resources

Marks USA Product Catalog

Product Specs

Series:
175 Series
Latch Throw:
1/2"
Grade:
Grade 2
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
Door Thickness Range:
1-3/4"
Strike Classification:
ANSI, 1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"
Department:
Door Hardware

Marks USA 175N26D-3/4 – Frequently Asked Questions

1) Will the Marks USA 175N passage lever fit a 1-3/4 inch commercial door?
Yes, 1-3/4 inches is exactly what the 175N is built for. It's a cylindrical bored lockset, so it drops into a standard 2-1/8 inch cross bore prep with a 2-3/4 inch or 2-3/8 inch backset depending on which you order. If the doors in your building are thinner interior slabs at 1-3/8 inches, the 175N is not the right lockset. The Cal-Royal CAL30 passage lock covers 1-3/8 inch to 2 inch doors and would be the safer call on a mixed-thickness building.
2) What backset do I order on the Marks 175N, 2-3/8 or 2-3/4?
Both are available, and the answer is whatever is already bored in your door. Measure from the door edge to the center of the existing cross bore: 2-3/4 inches is the usual commercial spacing, 2-3/8 inches the common residential one. Every finish on the 175N (US3 bright brass, US10 satin bronze, US10B oil-rubbed dark bronze, US26D satin chrome) is offered in both backsets, so the finish choice doesn't limit you.
3) Does the Marks 175N lock or does it just latch?
It does not lock at all. ANSI function F75 means the latch is retracted by the lever from either side at all times, with no key, no cylinder, and no turn button. That's a passage set for corridors, hall doors, and closets where you only want the door held shut. If you need the door to lock, this is the wrong function: for a keyed opening look at an entrance-function cylindrical lock, and for a bathroom or bedroom you want a privacy set with a push-button inside.
4) Is the Marks USA 175N lever ADA compliant for a school or hospital corridor?
Yes. The 175N uses a solid cast Zamac American lever, and lever operation is what ADA requires, no tight grasping or twisting of the wrist. It's also ANSI/BHMA certified and UL Listed, which is what an institutional spec usually asks for on corridor passage doors in schools, universities, and hospitals.
5) Is a Grade 2 passage lever heavy enough for a high traffic commercial corridor?
Grade 2 is the mid-duty ANSI/BHMA tier, and the 175N Survivor Series is built to run at Grade 1 performance at that tier. For a passage set that argument holds up better than it would on a keyed lock, since there's no cylinder or locking mechanism to wear, just the lever and latch. On a genuinely punishing opening (a school main corridor, a loading area), a Grade 1 passage set is the safer spec: the Cal-Royal CAL30 Calypso is an extra heavy duty Grade 1 passage lock. For offices, tenant suites, and closets, Grade 2 is the normal call.
6) What are my alternatives to the Marks 175N for a passage lever, and how do they differ?
Three real options depending on what's driving the choice. The Orca Hardware OCL210 is another Grade 2 medium duty passage cylindrical lockset, the closest straight equivalent. The Cal-Royal CAL30 steps up to Grade 1 extra heavy duty and covers a wider 1-3/8 to 2 inch door range, which matters if your building has mixed thickness doors. The Dorma CL701 is a Grade 2 single dummy: it looks like a passage lever but the lever is fixed and there's no latch behind it, so it's for the inactive leaf of a pair or a false door only. Don't substitute a dummy for the 175N.
7) Can I standardize a whole building on Marks 175N levers and match the locked doors?
For the passage openings, yes, and the four finishes cover most existing schedules: US3 bright brass, US10 satin bronze, US10B oil-rubbed dark bronze, and US26D satin chrome. The catch is that the 175N is passage only, so the entry, storeroom, and restroom doors need other functions in a matching lever. Matching by finish code is the reliable way to do it, US26D satin chrome being the most common commercial finish, and it's what you should quote against on the keyed openings so the whole floor reads the same.
8) I'm replacing a worn passage knob in a commercial building. Will the Marks 175N go in the same holes?
If the existing set is a standard cylindrical bored lockset on a 1-3/4 inch door, yes. The 175N uses the same 2-1/8 inch cross bore and 1 inch edge bore prep, and you pick the backset to match what's drilled, 2-3/8 or 2-3/4. Two things to check before you order: the old strike, since the 175N comes with a full ANSI 4-7/8 inch strike, and whether the old set was a mortise lock, which leaves a rectangular pocket in the door edge that a cylindrical set cannot fill.
9) Should I use a mechanical passage lever or an electronic lock on a corridor door?
If the door only needs to stay closed and swing freely, a mechanical passage set like the 175N is the whole answer, no batteries, no programming, no credentials. Electronics only earn their place when you need to control who gets through or log it. If that's the real requirement, a passage lock is the wrong category entirely, and something like the Alarm Lock Trilogy T2 DL2700 with keypad entry and 100 user codes, or the TownSteel XCE-2000 keypad cylindrical lockset, is what you're actually shopping for. Both are Grade 1 cylindrical, so they use the same door prep family.
10) Does the Marks USA 175N meet an ADA lever requirement the way the electronic alternatives do?
The Marks USA 175N is ADA compliant, ANSI/BHMA certified, and UL Listed with a solid cast Zamac American lever, so it satisfies a lever-operated accessibility requirement on a passage door without any power or programming. Where facility policy asks for access control on the same corridor, the Schlage NDEB ENGAGE Series is a Grade 1 heavy duty wireless cylindrical lock for 1-5/8 inch to 2 inch doors, and the Schlage XE360M is a Grade 1 wireless tubular lock in classroom/storeroom function for 1-3/4 inch doors. Facilities commonly run the 175N on the free-passage doors and reserve the electronic units for the controlled ones.
11) What is the difference between a Marks USA 175N and a Stanley QTL230E passage lever?
Both are lever-operated cylindrical trim for commercial doors, but they are ordered for different things. The Stanley Security QTL230E-SA-478S is a Grade 2 Sierra bent lever with a small rose, an adjustable square latch, and a 4-7/8 inch by 1-1/4 inch ANSI strike, from the QTL200 Series. The Marks USA 175N is a Grade 2 Survivor Series lockset with a solid cast Zamac American lever, a fixed 1/2 inch latch throw, a 1-1/8 inch by 2-1/4 inch front, and the same ANSI strike size of 1-1/4 inch by 4-7/8 inch with a square corner. The adjustable latch on the Stanley suits a door whose backset you have not measured yet; the 175N is ordered per backset, in 2-3/8 inch and 2-3/4 inch, and in US3 bright brass, US10 satin bronze, US10B oil-rubbed dark bronze, and US26D satin chrome.
12) Is a Lockey 1600 keyless knob lock a substitute for a Marks USA 175N passage lever?
Not for an ADA-governed opening. The Lockey 1600 is a heavy duty mechanical keyless knob lock with an adjustable backset covering 1-1/8 inch to 2 inch doors - a knob, not a lever, and a knob does not satisfy the lever-operated hardware requirement the Marks USA 175N is built to meet as an ADA compliant lever lockset. Where a lever is required on the accessible route, the 175N or another lever-trim lockset is the correct order; the Lockey 1600 fits back-of-house and utility doors outside that scope.
13) Can a Marks USA 175N be used where an electric lock needs to release on an access control signal?
No - the 175N is a mechanical passage lockset with no electrical connection, latch retracted by levers at all times. For an opening tied into access control, the SDC Electra 7200 Series is a solenoid controlled cylindrical lock with dual voltage 12/24VDC for 1-3/4 inch to 2 inch doors, and the SDC E75 Series is a battery-powered electronic cylindrical lockset with keypad access control for 1-3/4 inch to 2-1/8 inch doors. The 7200 needs power run to the door; the E75 runs on batteries at the lock.
14) Does the Marks 175N need handing specified when I order?
No handing to specify. The 175N is a passage function with levers live on both sides, so it retracts the latch from either direction and there's no strike-side or keyed-side to get backwards. The one thing that does need calling out on the order is backset, 2-3/8 or 2-3/4, plus finish. Note the lever is a straight American lever style, so it can be installed either way up without looking wrong on a left or right hand door.
15) Is the Kwikset 912TNL SmartCode lever an alternative to the Marks USA 175N?
They serve different doors. The Kwikset 912TNL ZW500 SmartCode is an electronic Tustin lever with Z-Wave technology in a keyed-one-side function for 1-3/8 inch to 2 inch doors - a locking, remotely controllable entry lever. The Marks USA 175N is a non-keyed commercial passage lockset, ANSI/BHMA certified and UL Listed, that holds the latch retracted at all times for free passage. If the door needs to lock or report to a smart home controller, the Kwikset is the one; if it only needs a durable lever on a door that stays unlocked, the 175N is the one.
How fast can I get the Marks USA 175N26D-3/4 delivered?
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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 175N26D-3/4 come with a warranty?
Absolutely. The Marks USA 175N26D-3/4 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 175N26D-3/4?
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