The Lock,flush, cataloged under National Stock Number 5340-01-641-4180, 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6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-641-4180 |
| Item Name | Lock,flush |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Design Type | LATCH |
| Grip Handle Quantity | 1 |
| Style Designator | TUBULAR |
| Diameter | 1.100 INCHES NOMINAL IN |
| Material | ZINC ALLOY HOUSING |
| Thickness | 0.580 INCHES NOMINAL HOUSING 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 |
|---|---|
| E5-1-005-081 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-641-4180 is a Lock,flush, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-641-4180: Design Type: LATCH; Grip Handle Quantity: 1; Style Designator: TUBULAR; Diameter: 1.100 INCHES NOMINAL IN. 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.