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Schlage ND53-BD-LAT Cylindrical Entrance Lock, Latitude Lever, SFIC Prep Less Core, 2-3/4 Inch Backset, 4-7/8 Inch Strike, Grade 1, Non Handed
The Schlage ND53-BD-LAT cylindrical entrance lock is a heavy-duty Grade 1 bored lock built for commercial openings that need dependable security and long service life. Designed with Schlage’s ND Series construction, this entrance function lock combines a Latitude lever design with SFIC prep less core configuration for facilities using small format interchangeable cores. Its non-handed design helps simplify installation and field preparation, while the 2-3/4 inch backset and 4-7/8 inch strike make it well suited for standard commercial door applications. This lock is engineered for strength, durability, and consistent performance in demanding institutional, office, and public building environments.
Features
- ND Series construction is built to meet Grade 1 performance requirements for high-traffic commercial openings.
- Entrance/office function provides keyed outside access with lever operation suited for controlled entry points.
- SFIC prep less core format supports small format interchangeable core systems where the core is supplied separately.
- Non-handed design allows the lock to be used on either right-hand or left-hand doors.
- The Latitude lever trim offers a clean modern appearance while maintaining commercial-duty performance.
Functional Details
The ND53 entrance/office function is designed for doors that require outside key control with free egress from the inside. This function is commonly used on offices, main entry rooms, and similar spaces where authorized access is needed from the exterior side without restricting exit from within.
- Outside lever locked or unlocked by key from outside.
- Inside lever always unlocked.
- Auxiliary latch deadlocks latchbolt when door is closed.
| Manufacturer | Schlage |
| SKU | ND-53-BD-LAT |
| Series | ND Series |
| Lock Type | Cylindrical lock |
| Function | Entrance/Office |
| Grade | ANSI/BHMA Grade 1 |
| ANSI Number | F109 |
| Handing | Non-handed |
| Origin | Made in U.S.A. |
| Unit of Measure | Each |
| UL Listing Type | UL listed for 3-hour fire door |
| BAA Qualified | Yes |
| Limited Warranty | 10 year mechanical warranty and 3 year electro-mechanical warranty |
| Backset | 2-3/4 in |
| Strike Size | 4-7/8 in |
| Door Thickness | 1-5/8 in to 2-1/8 in |
| Crossbore | 2-1/8 in |
| Edge Bore | 1 in |
| Latchbolt Throw | 1/2 in |
| Deadlocking Plunger | 1/2 in |
| Latch Front | 1-1/8 in x 2-1/4 in |
| Strike Lip Length | 1-1/4 in |
| Cylinder Format | SFIC prep less core |
| Cycle Testing | 3,100,000 cycles |
| Door Prep | ANSI A115.2 |












