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The Schlage ND10S-LON cylindrical passage set is a heavy-duty Grade 1 lock built for high-traffic commercial openings where dependable latching and free egress are essential. Featuring the Longitude lever design and a non-keyed passage function, this ND Series lock is ideal for doors that do not require locking but still demand long-term durability and consistent performance. Its non-handed construction helps simplify ordering and installation, while the 2-3/4 inch backset and 4-7/8 inch strike support common commercial door preparations. Designed to meet rigorous ANSI and UL standards, this lockset is a strong choice for schools, offices, healthcare, and institutional applications.
Features
Functional Details
The ND10S passage function is designed for doors that need positive latching without a keyed lock. Both levers remain unlocked for free operation from either side, making this function well suited for hallways, closets, utility rooms, and other interior openings where security is not required.
Included Components
This lock is supplied as part of the Schlage ND Series cylindrical lock platform with lever trim, latch, and strike components for standard commercial installation based on the specified backset and strike size.
| Manufacturer | Schlage |
| SKU | ND-10S-LON |
| Series | ND Series |
| Lock Type | Cylindrical Lock |
| Function | Passage |
| Lever Design | Longitude |
| Grade | ANSI/BHMA A156.2 Series 4000, Grade 1 |
| Handing | Non-handed |
| Origin | Made in the U.S.A. |
| Unit of Measure | Each |
| UL Listing Type | UL listed for 3-hour fire door |
| ANSI Number | F75 |
| BAA Qualified | Yes |
| Limited Warranty | 10-year limited mechanical warranty and 3-year limited electro-mechanical warranty |
| Backset | 2-3/4 in. |
| Strike Size | 4-7/8 in. |
| Door Thickness Range | 1-3/8 in. to 2-1/8 in. |
| Cross Bore | 2-1/8 in. |
| Edge Bore | 1 in. |
| Latch Front | 1-1/8 in. x 2-1/4 in. |
| Strike Dimension | 1-1/4 in. x 4-7/8 in. |
| Latch Throw | 1/2 in. |
| Fire Rating | 3 hours |
| Cycle Testing | 3,100,000 cycles |
| Lever Torque Resistance | 3,600 in-lb minimum |
| Latch Bolt Material | Stainless steel |
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