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Schlage ND91-PD-TLR Vandlgard Entrance/Office Cylindrical Lock, Tubular Lever, Schlage C Keyway Keyed Random, 2 Keys, 2-3/4 Backset, 4-7/8 Inch Strike, Grade 1, Non Handed
The Schlage ND91PD-TLR is a Grade 1 cylindrical lock built for high-traffic commercial openings where durability and security matter most. Featuring Schlage's Vandlgard technology, the outside lever rotates freely when locked, protecting the internal mechanism from forced entry and vandalism while still allowing key access. This entrance/office function comes with the smooth, contemporary Tulip (TLR) lever design, a Schlage "C" keyway keyed random, and two keys. Non-handed for easy installation, it fits a standard 2-3/4 inch backset and includes a 4-7/8 inch strike. Ideal for offices, schools, and other institutional environments, this lock delivers reliable everyday performance with proven Schlage build quality.
Features
- Vandlgard design allows the outside lever to rotate freely when locked, resisting abuse and forced entry.
- Grade 1 ANSI/BHMA rating for the highest level of commercial durability.
- Smooth Tulip (TLR) lever style suits modern interior and exterior openings.
- Schlage "C" keyway, keyed random, supplied with two keys.
- Non-handed construction simplifies installation on doors of either hand.
- Standard 2-3/4 inch backset with a 4-7/8 inch strike for common door prep.
Functional Details
The ND91PD entrance/office function keeps the door secured against unwanted entry while permitting key control from the outside. When locked, the Vandlgard clutch lets the outside lever spin without engaging the latch, preventing damage to the lock body.
- Latch bolt operated by lever from either side except when outside is locked by key.
- Locking outside lever requires key to unlock.
- When outside is locked, latch bolt is retracted by key outside or by rotating inside lever.
- Inside lever always free for immediate egress.
| Manufacturer | Schlage |
|---|---|
| SKU | ND91PD-TLR |
| Product Line | ND Series Cylindrical Lock |
| Function | Entrance/Office (Vandlgard) |
| Lever Style | Tulip (TLR) |
| Grade | ANSI/BHMA Grade 1 |
| Origin | USA |
| Unit of Measure | Each |
| UL Listing Type | UL Listed (3-hour fire door) |
| ANSI Number | F109 / A156.2 Series 4000 |
| Keyway | Schlage "C" |
| Keying | Keyed Random, 2 Keys |
| BAA Qualified | Yes |
| Limited Warranty | Three-Year Limited Warranty |
| Backset | 2-3/4 in. (standard) |
|---|---|
| Strike | 4-7/8 in. ANSI strike |
| Latch Bolt Throw | 1/2 in. |
| Door Thickness Range | 1-3/8 in. to 1-7/8 in. |
| Bore Diameter | 2-1/8 in. |
| Handing | Non-handed |
| Cylinder | 6-pin (5-pin standard) |
| Lever Rotation | Free-spinning outside lever when locked (Vandlgard) |
| Rose Diameter | 3-9/16 in. |
| Material | Wrought steel and brass components |
| Fire Rating | 3-hour rated single door |












