Marks USA MAR175RA 175RA IC En...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$175.34
$105.31
Marks USA 175RA IC Entry Lever Lockset - Grade 2 Survivor Series, American Lever, IC Less Core

Marks USA MAR175RA 175RA IC Entry Lever Lockset — Grade 2 Survivor Series, American Lever, IC Less Core

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Model: 175RA-26D-F14
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$105.31
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Marks USA 175RA IC Entry Lever Lockset — Grade 2 Survivor Series, American Lever, IC Less Core

The Marks USA 175RA IC Entry Lever Lockset is a Grade 2 cylindrical lockset from the Survivor Series, engineered for commercial applications where durability and long-term performance are paramount. Featuring a unique stainless steel "clutch" mechanism and cast retractors on bronze roller bearings, this lockset exceeds BHMA Grade 1 specifications by 300% — surpassing 3.6 million cycles — while eliminating lever droop and dramatically reducing wear. Designed for 1-3/4" door thickness with 2-3/8" and 2-3/4" backset options, it carries a 3-hour fire rating and is ADA compliant, making it a reliable choice for high-traffic commercial entrances.

Key Features

  • Exceptional Cycle Durability: Exceeds BHMA Grade 1 specifications by 300% with over 3.6 million cycles tested, ensuring long-term reliability in demanding high-traffic environments.
  • Unique Clutch Mechanism: Stainless steel "clutch" disengages levers from the retractor and interior mechanisms when locked, allowing levers to swing freely without resistance — eliminating lever droop and reducing component wear.
  • Bronze Roller Bearing Construction: Cast retractors on bronze roller bearings provide a strong, durable chassis foundation for millions of cycles of smooth operation.
  • Flexible Backset Options: Accommodates both 2-3/8" and 2-3/4" backsets to suit a variety of door preparations and installation requirements.
  • 3-Hour Fire Rated: Carries a 3-hour fire rating for use in fire-rated door assemblies where code compliance is required.
  • ADA Compliant: American Lever design meets ADA accessibility requirements for commercial door hardware applications.
  • Deadlocking Latch: Features a 1/2" throw deadlocking latch with a 1-1/8" x 2-1/4" front and ANSI strike (1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner) for secure, code-compliant operation.
  • Marks Lifetime Mechanical Warranty: Backed by Marks USA's lifetime mechanical warranty for added confidence and long-term value.

Certifications & Compliance

  • ANSI/BHMA Certified — Exceeds Grade 1 Specifications by 300%
  • UL Listed
  • 3-Hour Fire Rated
  • ADA Compliant
  • ANSI Function F109 (Entrance/Office)
  • Marks USA Lifetime Mechanical Warranty

Technical Specifications

  • Latch Throw: 1/2"
  • Product Group: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • ANSI/BHMA: ANSI/BHMA, UL Listed
  • Commercial/Residential: Commercial
  • Function Description: Pushing and turning button on inside locks outside knob/lever requiring use of a key until button is manually unlocked.
  • Front Size: 1-1/8" x 2-1/4"
  • ADA Compliant: Yes
  • Keyed: Yes
  • ANSI Function: F109
  • Product Function: Entrance/Office
  • Door Thickness Range: 1-3/4"
  • Latch Type Specification: Deadlocking
  • 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
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Marks USA 175RA?

Marks USA Survivor Series locksets are built around a patented stainless steel clutch mechanism and bronze roller bearing chassis that together exceed BHMA Grade 1 cycle specifications by 300% — surpassing 3.6 million cycles — while virtually eliminating the lever droop and component fatigue common in standard cylindrical lever sets. Engineered for demanding commercial environments, the 175RA IC delivers professional-grade security, fire-rated performance, and ADA compliance in a lower-maintenance, longer-lasting package.

Manufacturer Resources

Marks USA Product Catalog

Product Specs

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:
Pushing and turning button on inside locks outside knob/lever requiring use of a key until button is manually unlocked.
Front Size:
1-1/8” x 2-1/4”
ADA Compliant:
Yes
Keyed:
Yes
ANSI Function:
F109
Product Attribute:
Cylindrical Locks
Product Function:
Entrance/Office
Door Thickness Range:
1-3/4"
Latch Type Specification:
Deadlocking
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 175RA-26D-F14 – Frequently Asked Questions

1) Does the Marks USA 175RA IC come with a core, or do I need to order cylinders separately?
The 175RA IC ships less core. It is prepped for an interchangeable core, so you supply the SFIC or IC core in your facility's keyway and keying scheme. That is the point of the IC version: a locksmith or facility with an existing IC system can drop the building's own core in and have it on the master key the day it goes up. The lock itself is keyed operation on the outside lever.
2) Will the Marks 175RA fit a 1-3/8 inch door?
No. The 175RA is built for 1-3/4 inch doors only, which is the standard commercial door thickness. For a thinner 1-3/8 inch door you need a lockset with a range that covers it, such as the Cal-Royal CAL30 at 1-3/8 to 2 inches or the Dorma C853 at 1-3/8 to 2-1/4 inches.
3) What backset does the 175RA lever lock use, and does it fit a 2-3/8 inch prep?
Spec'd at a 2-3/4 inch backset, and the Survivor Series 175RA also accommodates 2-3/8 inch backsets, so it covers both of the two standard bored preps. Confirm which one your existing door is bored for before you order the latch.
4) Will the Marks 175RA latch into the strike that's already in my frame?
It depends on what is in the frame now. The 175RA uses a 1/2 inch throw deadlocking latch with a 1-1/8 x 2-1/4 inch front, and ships with a full ANSI strike measuring 1-1/4 x 4-7/8 inches with a 1-1/4 inch lip and square corners. If your frame already has that standard ANSI/ASA cutout, it drops straight in. Frames prepped for the smaller T-strike will need to be modified or the existing strike reused.
5) How does an F109 entrance/office lock actually work day to day?
Push and turn the button on the inside and the outside lever locks, requiring a key to get in, and it stays locked until someone manually unlocks the button. That is the difference from a storeroom function, which relocks itself every time. For an office you can leave it unlocked during business hours and button it down at close; for a tenant suite or a door staff shouldn't be able to leave unsecured, a storeroom function is the safer pick.
6) It says Grade 2 but also says it beats Grade 1 by 300 percent. Which is it?
The 175RA is certified ANSI/BHMA Grade 2, and Marks tested it past 3.6 million cycles, which is 300 percent beyond the Grade 1 cycle specification. So the paperwork on a spec sheet says Grade 2. If your project drawing calls out Grade 1 certified hardware by name, this won't satisfy a literal reading of that spec, and you'd want something certified at Grade 1 like the Dorma C150 entrance/office lock.
7) Is the Marks 175RA ADA compliant for a public building?
Yes. The American Lever design on the 175RA meets ADA requirements for operable door hardware, meaning it can be worked without tight grasping, pinching, or wrist twisting. That matters for schools, healthcare, government, and any public-accommodation corridor.
8) Why does the 175RA use a clutch, and does it stop lever droop?
The stainless steel clutch disengages the levers from the retractor and interior mechanism when the lock is locked, so the lever swings free instead of loading the chassis when someone yanks on a locked door. That is what eliminates lever droop and cuts wear on the internals. Cast retractors ride on bronze roller bearings underneath. In a school corridor or an apartment entry where people pull on locked levers all day, that's the failure mode this design is aimed at.
9) I need passage and privacy levers to match this entry lock on the other doors. What else works?
The 175RA is the keyed entrance/office function only. To round out a set of openings you'd pair it with separate passage and privacy locks; in Grade 2, the Orca OCL210 covers passage and the OCL240 covers privacy, and the Orca OCL2170 is the half dummy for inactive leaves. Trim and finish won't match Marks exactly, so if appearance across the suite matters, source the companion functions in the same Marks Survivor lever design.
10) Should I put a mechanical lever like this on a tenant entry, or go with a keypad lock?
A keyed cylindrical lever like the 175RA is the right call when the door is on a building master key system and you want no batteries, no programming, and no audit requirement. Go electronic instead when you need to change access without rekeying or need a record of entries: the Alarm Lock Trilogy T2 DL2700 is a Grade 1 standalone keypad cylindrical that is IC/SFIC compatible, and the Alarm Lock T3 adds an audit trail. Note those Trilogy units are spec'd for 1-5/8 to 1-7/8 inch doors, so verify your door thickness before switching types.
11) Is there a comparable entry lever from another brand with the same ANSI strike prep?
The Stanley QCL150 is the closest cross-brand match: a Grade 2 entry lever, less cylinder, with a 2-3/4 inch backset latch and an ASA strike measuring 4-7/8 x 1-1/4 inches, the same strike cutout the Marks 175RA uses. It comes with a Sierra bent lever rather than the Marks American lever, so the lever profile differs.
12) Is there a simpler non-keyed lever I can use on the interior doors while keeping the 175RA on the entrances?
Yes. The Marks USA 175RA is a keyed entrance/office lock with a push-and-turn inside button. For interior openings that do not need a key, the Orca Hardware OCL210 is a Grade 2 passage cylindrical lockset and the OCL240 is a Grade 2 privacy set, both medium duty. The Cal-Royal CAL30 passage and CAL20 privacy locks are Grade 1 with a 1-3/8 inch to 2 inch door thickness range if you want the heavier chassis on interior doors as well.
13) What finishes does the Marks 175RA entry lever come in?
Two finishes: US26D satin chrome and US10B oil-rubbed dark bronze. US26D is the usual choice when you're matching existing commercial hardware across a building, US10B when the openings are darker architectural trim.
14) I need an entry lever on a 1-3/4 inch door that can be managed remotely. What are my options next to the Marks 175RA?
The 175RA is purely mechanical with an interchangeable core, so access changes mean rekeying. If you want credential management instead, the Schlage NDEB is a Grade 1 ENGAGE Series 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 CENTRIOS CEB100 is a Grade 1 smart Bluetooth cylindrical lock. Both are heavier-current decisions than a keyed lever, so confirm the function you need matches office use.
How fast can I get the Marks USA 175RA-26D-F14 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 175RA-26D-F14 come with a warranty?
Absolutely. The Marks USA 175RA-26D-F14 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 175RA-26D-F14?
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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