Schlage ND53-BD-SPA Cylindrical Entrance Lock, Sparta Lever, SFIC Prep Less Core, 2-3/4 Inch Backset, 4-7/8 Inch Strike, Grade 1, Non Handed

The Schlage ND53-BD-SPA cylindrical entrance lock is a heavy-duty Grade 1 lever lock built for high-traffic commercial openings that demand dependable security and long service life. Designed with the Sparta lever, SFIC prep less core configuration, a 2-3/4 inch backset, and a 4-7/8 inch strike, this non-handed lock fits a wide range of institutional, office, and commercial applications. As part of the Schlage ND Series, it combines strong mechanical construction with field-proven durability, making it a practical choice for facilities that need consistent performance, code compliance support, and easy integration into master key systems using small format interchangeable cores.

Features

• ND53 entrance/office function allows key locking from the outside while the inside lever remains free for egress.
• SFIC prep less core design is ready to accept a small format interchangeable core supplied separately.
• Non-handed construction simplifies ordering and installation on either left- or right-hand doors.
• Grade 1 certification supports use in demanding commercial and institutional environments.
• The 2-3/4 inch backset and 4-7/8 inch strike match common commercial door preparations.

Functional Details

The ND53 entrance/office function is designed for doors that need controlled exterior access with safe, unrestricted exit from the inside. The outside lever can be locked or unlocked by key, while the inside lever always allows immediate egress, making this function well suited for offices, classrooms, and similar commercial spaces.

• Outside lever locked or unlocked by key from outside.
• Inside lever always unlocked for immediate egress.
• Auxiliary latch deadlocks latchbolt when door is closed.

Included Components

This lock is supplied in an SFIC prep less core configuration, meaning the small format interchangeable core is not included and must be ordered separately. The lockset is configured with a 2-3/4 inch backset and a 4-7/8 inch strike as stated in the product title.