The Spring,flat, cataloged under National Stock Number 1005-01-667-2979, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-667-2979 |
| Primary Part Number | 12021 |
| Item Name | Spring,flat |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12021 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
NSN 1005-01-667-2979 is a Spring,flat, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-667-2979 has 1 manufacturer part number on file: 12021 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).
Key specifications for 12021: Special Features: EXTRACTOR SPRING. USED ON BOLT OF P/N 18816 BARREL AND BOLT ASSEMBLY, 300 NM, 26", 1-8, FLUTED, COYOTE, OR P/N 18815 BARREL AND BOLT ASSEMBLY, .338 NM, 27", 1-9.4, FLUTED, COYOTE, OR P/N 18814 BARREL AND BOLT ASSEMBLY, 7.62X51, 20", 1-8, FLUTED, COYOTE.; Part Name Assigned by Controlling Agency: EXTRACTOR SPRING, MK22. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1005-01-667-2979 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.