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Description
Schlage ND53-JD-LAT Cylindrical Entrance Lock, Latitude Lever, Schlage FSIC Full Sized Interchangeable Core, Less Core, 2-3/4 Inch Backset, 4-7/8 Inch Strike, Grade 1, Non Handed
The Schlage ND53-JD-LAT cylindrical entrance lock is a heavy-duty Grade 1 lockset built for commercial openings that demand dependable security and long service life. Based on the ND Series platform, this entrance function lock features the Latitude lever design, Schlage full sized interchangeable core preparation, and a non-handed chassis for easier field application. It is supplied less core and configured with a 2-3/4 inch backset and 4-7/8 inch strike. Designed for high-use environments, the ND Series combines strong construction, consistent operation, and code-focused performance for schools, offices, healthcare facilities, and other institutional buildings.
Features
- The ND53 entrance/office function allows outside lever access to be controlled by key while the inside lever remains free for safe egress.
- Schlage FSIC full sized interchangeable core preparation supports fast core changes and flexible key system management.
- The non-handed design simplifies installation and helps reduce stocking complexity for commercial projects.
- A 2-3/4 inch backset and 4-7/8 inch strike make this configuration suitable for standard commercial door prep requirements.
- Grade 1 construction delivers the durability and performance expected for demanding institutional and commercial applications.
Functional Details
The ND53 entrance/office function is designed for openings where exterior access must be controlled while maintaining free exit from the inside. From the outside, the key locks or unlocks the outside lever, while the inside lever always allows immediate egress. This makes the function well suited for offices, classrooms with managed access, and similar commercial spaces.
- Outside lever locked or unlocked by key from outside.
- Inside lever always unlocked for immediate egress.
- Deadlocking latchbolt helps resist manipulation when the door is closed.
Product Specifications
| Manufacturer | Schlage |
| Series | ND Series |
| SKU | ND-53-JD-LAT |
| Lock Type | Cylindrical lock |
| Function | Entrance/Office |
| Grade | ANSI/BHMA A156.2, Series 4000, Grade 1 |
| Handing | Non-handed |
| Core Type | Schlage FSIC full sized interchangeable core, less core |
| Backset | 2-3/4 in |
| Strike | 4-7/8 in strike |
| Door Thickness | 1-3/8 in to 2-1/8 in standard |
| UL Listing Type | UL listed for 3-hour fire door |
| BAA Qualified | Yes |
| Limited Warranty | 10 year limited mechanical warranty and 3 year limited electro mechanical warranty |
Technical Specifications
| ANSI/BHMA | A156.2, Series 4000, Grade 1 |
| Cycle Test | 3,100,000 cycles |
| Door Thickness Range | 1-3/8 in to 2-1/8 in |
| Backset | 2-3/4 in |
| Strike Size | 4-7/8 in |
| Latchbolt Throw | 1/2 in |
| Deadlatch Size | 5/16 in |
| Lever Rotation | 27 degrees |
| Knob/Lever Torque | 3,600 in-lb minimum |
| Latch Retraction | 17 lbf maximum |
| UL Fire Rating | 3 hour |
| Projection | 3-1/8 in typical lever projection |
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