The Lock,flush, cataloged under National Stock Number 5340-00-264-7591, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-264-7591 |
| Item Name | Lock,flush |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Design Type | DEAD BOLT |
| Key Change Quantity | 1200 |
| Material | COPPER ALLOY CASE |
| Backset Depth | 0.625 INCHES NOMINAL IN |
| Operation Method | OUTSIDE KEY DEAD BOLT |
| Thickness | 0.875 INCHES MINIMUM MEMBER IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| MILL2898BTYPEA | 5/9 Secondary reference U.S. Government activity |
| MIL-L-2898D TYPE A | 2/2 Government specification standardization U.S. Government activity |
NSN 5340-00-264-7591 is a Lock,flush, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-264-7591: Design Type: DEAD BOLT; Key Change Quantity: 1200; Special Features: LOCKING MECHANISM TYPE:PIN TUMBLER;MASTER KEY PROVISION:NOT INCLUDED;FURNISHED MOUNTING HARDWARE:SCREWS;; Material: COPPER ALLOY CASE. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.