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The Accentra (formerly Yale) AU5408LN Classroom Cylindrical Lock delivers the dependable performance expected in high-traffic commercial settings like schools, offices, and institutional buildings. Part of Yale's 5400LN series, this Grade 1 lockset features the Augusta (AU) lever design and a classroom function that lets staff secure a room from the outside using a key while the inside lever always permits free egress. Shipped keyed different and non-handed for easy installation, it comes with a 2-3/4 inch backset and an ASA 4-7/8 inch strike. Built to ANSI/BHMA standards, this cylindrical lock offers lasting security and smooth daily operation.
Features
Functional Details
The classroom function (F84) secures the opening while still allowing safe exit at all times. The outside lever is locked and unlocked by key, and the inside lever is always free for immediate egress, making it ideal for classrooms and other secured rooms.
Included Components
The lockset ships complete with the Augusta levers, cylinder with keys (keyed different), ASA strike, and the mounting hardware required for standard door preparation.
| Manufacturer | Accentra (formerly Yale) |
|---|---|
| SKU | AU-5408-LN |
| Series | 5400LN Cylindrical Lock |
| Function | Classroom (F84) |
| Lever Style | Augusta (AU) |
| Grade | ANSI/BHMA Grade 1 |
| Handing | Non-Handed |
| Keying | Keyed Different |
| Origin | USA |
| Unit of Measure | Each |
| ANSI Number | A156.2 Series 4000 |
| Limited Warranty | Yes |
| Backset | 2-3/4 in. (standard) |
|---|---|
| Strike | ASA 4-7/8 in. |
| Latchbolt Throw | 1/2 in. |
| Door Thickness | 1-3/8 in. to 2 in. (standard) |
| Lever Material | Pressure cast zinc |
| Cylinder | 6-pin standard |
| Rose Diameter | 3-9/16 in. |
| Chassis | Cylindrical |
| Bore Hole | 2-1/8 in. |
| ANSI Grade | Grade 1 |
| Function Code | F84 |
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