The Buckle, cataloged under National Stock Number 5340-01-105-3973, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-105-3973 |
| Primary Part Number | 51L1-1-4AA |
| Item Name | Buckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Buckle Style Designator | SPRING ACTIVATED |
| Strap Accommodation Width | 0.620 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Insignia | NOT INCLUDED |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| 12284292 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12284292 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 51L1-1-4AA PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 5340011053973 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5340-01-105-3973 is a Buckle, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-105-3973 has 3 manufacturer part numbers on file: 12284292 (U S Army Tank Automotive Command Amsta-Im-Mm), 12284292 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 51L1-1-4AA (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 51L1-1-4AA: Buckle Style Designator: SPRING ACTIVATED; Strap Accommodation Width: 0.620 INCHES NOMINAL IN; Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 2.810 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.