Schlage ND91-BD-LON Vandlgard Entrance/Office Cylindrical Lock, Longitude Lever, SFIC Prep Less Core, 2-3/4 Backset, 4-7/8 Inch Strike, Grade 1, Non Handed

The Schlage ND91BD-LON Vandlgard Entrance/Office Cylindrical Lock is engineered for high-traffic commercial openings that demand both security and durability. Part of Schlage's Grade 1 ND Series, this non-handed lock features the clean, contemporary Longitude (LON) lever and comes prepped for a small format interchangeable core (SFIC), sold less core for keying flexibility. Its Vandlgard design allows the outside lever to rotate freely when locked, preventing damage from forced entry attempts. With a 2-3/4 inch backset and a 4-7/8 inch strike, this lock delivers reliable performance for offices, entrances, and other demanding environments where longevity matters.

Features

• Grade 1 cylindrical lock built for heavy commercial use and long service life.
• Vandlgard function protects the lock by allowing the outside lever to spin freely when locked.
• Longitude (LON) lever offers a modern, ergonomic design.
• SFIC prep, sold less core, for flexible keying and easy rekeying.
• Non-handed design simplifies installation and inventory.
• 2-3/4 inch backset with a 4-7/8 inch strike.

Functional Details

The ND91 Entrance/Office function provides secure everyday operation while the Vandlgard mechanism guards against vandalism. When the outside lever is locked, it rotates freely instead of binding, protecting the internal components from abuse.

• Latchbolt operated by lever from either side except when outside lever is locked by pushbutton.
• Pushbutton locking; pushing and turning button provides pushbutton will not release until manually rotated.
• When outside lever is locked, latchbolt is operated by key in outside lever or by rotating inside lever.

Arm Type Details

The Longitude (LON) lever provides a straight, contemporary profile with a smooth return action, suitable for both barrier-free and standard commercial applications.

Included Components

This lock ships less core, allowing you to install a small format interchangeable core of your choice. A 4-7/8 inch strike is included for standard commercial frame preparation.