The Bolt,breech, cataloged under National Stock Number 1005-01-576-7781, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is O F Mossberg & Sons Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1005-01-576-7781 |
| Primary Part Number | 3173 |
| Item Name | Bolt,breech |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | O F Mossberg & Sons Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3173 PRIMARY | O F Mossberg & Sons Inc (USA) |
| Reference | Meaning |
|---|---|
| 1005PL0375867 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1005-01-576-7781 is a Bolt,breech, manufactured by O F Mossberg & Sons Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-576-7781 has 1 manufacturer part number on file: 3173 (O F Mossberg & Sons Inc).
Key specifications for 3173: Part Name Assigned by Controlling Agency: BOLT ASSEMBLY 500 410GA; End Item Identification: SHOTGUN 410GA. 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 1005-01-576-7781 has DEMIL Code B. 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.