The Buckle, cataloged under National Stock Number 5340-01-312-0816, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share 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 | 5340-01-312-0816 |
| Primary Part Number | 322-74 |
| Item Name | Buckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Buckle Style Designator | STRAP ADJUSTING |
| Strap Accommodation Width | 0.105 INCHES NOMINAL IN |
| Insignia | NOT INCLUDED |
| Specific Usage Design | ANTI-SMOKE GOGGLES |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 322-74 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 5340-01-312-0816 is a Buckle, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-312-0816 has 1 manufacturer part number on file: 322-74 (Avox Systems Inc Dba Avox Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 6830-01-323-5158, 6145-01-483-9013, 6625-01-604-2316. Verify interchangeability with system specifications before substitution.
Key specifications for 322-74: Buckle Style Designator: STRAP ADJUSTING; Strap Accommodation Width: 0.105 INCHES NOMINAL IN; Overall Length: 1.020 INCHES NOMINAL IN; Overall Width: 0.820 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.