The Buckle, cataloged under National Stock Number 5340-01-057-3522, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-057-3522 |
| Item Name | Buckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Strap Accommodation Width | 1.750 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-6758, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Insignia | NOT INCLUDED |
| Specification/standard Data | 80205-NAS1211 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Specific Usage Design | TIE DOWN STRAP END |
| Material | STEEL COMP 4130 OVERALL |
| Enameled Feature | NOT INCLUDED |
| 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 |
|---|---|
| NAS1211F17 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1211 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5340-01-057-3522 is a Buckle, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-057-3522: Strap Accommodation Width: 1.750 INCHES NOMINAL IN; Material Document and Classification: MIL-S-6758, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 3.880 INCHES NOMINAL IN; Insignia: NOT INCLUDED. 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.