The Gun,automatic,20 Millimeter, cataloged under National Stock Number 1005-01-477-3978, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-477-3978 |
| Item Name | Gun,automatic,20 Millimeter |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8227550-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1005-01-477-3978 is a Gun,automatic,20 Millimeter, classified under FSC 1005, Guns, Through 30mm. Status: active.
Key specifications for 1005-01-477-3978: Part Name Assigned by Controlling Agency: INAVY: F14 CONFIGURATION; End Item Identification: ACCESSORIES LUBES TOOLS 20MM GUN M61A1; M61A1 20MM MACHINE GUN FIRING 5K RDS PER QTR; M61A1 20MM MACHINE GUNE FIRING 8K RDS PER QTR MM. 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 1005-01-477-3978 has DEMIL Code D. 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.