Marks USA 175N Passage Lever Lockset Grade 2 Survivor Series, ADA Compliant, Solid Cast Zamac American LeverThe 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 FeaturesGrade 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 & ComplianceANSI/BHMA CertifiedUL ListedADA CompliantANSI Function F75Technical SpecificationsSeries: 175 SeriesLatch Throw: 1/2"Product Group: Mechanical LocksProduct Subgroup: Bored LocksetsProduct Type: Cylindrical LocksSubcategory: Cylindrical LocksANSI/BHMA: ANSI/BHMA, UL ListedLock Type: CylindricalFunction Description: Latch retracted by knobs/levers at all timesFront Size: 1-1/8" x 2-1/4"ADA Compliant: YesKeyed: NoANSI Function: F75Product Attribute: Cylindrical LocksProduct Function: Passage/Hall/ClosetDoor Thickness Range: 1-3/4"Strike Classification: ANSI, 1-1/4" x 4-7/8", 1-1/4" Lip, Square CornerProduct Category: Mechanical LocksBackset (Distance): 2-3/4"Department: Door HardwareTypical ApplicationsCommercial Office BuildingsEducational Facilities Schools and UniversitiesHealthcare Institutions and HospitalsRetail EstablishmentsMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsIndustrial and Warehouse FacilitiesWhy 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.