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Schlage ND91-PD-LAT Vandlgard Entrance/Office Cylindrical Lock, Latitude Lever, Schlage C Keyway Keyed Random, 2 Keys, 2-3/4 Backset, 4-7/8 Inch Strike, Grade 1, Non Handed
The Schlage ND91PD-LAT Vandlgard Entrance/Office Cylindrical Lock delivers heavy-duty performance for high-traffic commercial openings. Built to Grade 1 standards, this non-handed lock features the durable Latitude (LAT) lever and Schlage's patented Vandlgard technology, which allows the outside lever to rotate freely when locked to prevent damage from forced entry or vandalism. It comes keyed random on the Schlage C keyway and includes two keys. With a standard 2-3/4 inch backset and a 4-7/8 inch strike, this lock offers reliable entrance and office functionality where security and long-term durability matter most, making it a dependable choice for schools, offices, and institutional facilities.
Features
- Vandlgard function protects the lock by allowing the outside lever to rotate freely when locked.
- Grade 1 certified for the highest level of commercial durability and performance.
- Latitude (LAT) lever offers a clean, contemporary appearance.
- Schlage C keyway keyed random with two keys included.
- Non-handed design simplifies installation on either left- or right-hand doors.
- Standard 2-3/4 inch backset with a 4-7/8 inch strike.
Functional Details
The ND91PD Entrance/Office function provides keyed access from the outside while the inside lever is always free for immediate egress. With Vandlgard protection, the outside lever spins freely when locked, absorbing abuse without transferring force to internal components.
- Latchbolt operated by lever from either side except when outside lever is locked by key.
- When locked, latchbolt is retracted by key outside or by rotating inside lever.
- Vandlgard clutch mechanism allows outside lever to rotate freely when locked.
Included Components
Each lock ships with two keys, mounting hardware, and the 4-7/8 inch strike for standard commercial frame preparation.
| Manufacturer | Schlage |
| SKU | ND91PD-LAT |
| Series | ND Series Cylindrical Lock |
| Function | Entrance/Office (Vandlgard) |
| Lever Style | Latitude (LAT) |
| Grade | ANSI/BHMA Grade 1 |
| Handing | Non-Handed |
| Keyway | Schlage C, Keyed Random |
| Origin | Made in USA |
| Unit of Measure | Each |
| ANSI Number | F82 / F109 |
| Limited Warranty | Manufacturer's limited warranty |
| Backset | 2-3/4 inches |
| Strike | 4-7/8 inch ANSI strike |
| Latch Type | Standard cylindrical latch |
| Door Thickness | 1-3/8 inch to 1-7/8 inch |
| Cylinder | 6-pin standard |
| Keys Included | 2 |
| Bore Diameter | 2-1/8 inch cross bore |
| Lever Rotation | Free-spinning when locked (Vandlgard) |
| Rose Diameter | 3-9/16 inches |
| Latchbolt Throw | 1/2 inch |
| Certification | ANSI/BHMA A156.2 Grade 1 |












