The Fastener,casement, cataloged under National Stock Number 5340-01-234-9571, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-234-9571 |
| Item Name | Fastener,casement |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Length | 3.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP HANDLE |
| Style Designator | THUMBS PAWL |
| Strike Style | MORTISE |
| Surface Treatment | CADMIUM OR CHROMATE OVERALL |
| Width | 1.810 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 5-4-4107 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-234-9571 is a Fastener,casement, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5315-01-418-2377. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-234-9571: Length: 3.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP HANDLE; Style Designator: THUMBS PAWL; Strike Style: MORTISE. 7 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.