The Stop,breechblock, cataloged under National Stock Number 1005-01-462-5164, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-462-5164 |
| Primary Part Number | 1554 |
| Item Name | Stop,breechblock |
| 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 |
|---|---|
| 1554 PRIMARY | O F Mossberg & Sons Inc (USA) |
NSN 1005-01-462-5164 is a Stop,breechblock, manufactured by O F Mossberg & Sons Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-462-5164 has 1 manufacturer part number on file: 1554 (O F Mossberg & Sons Inc).
Key specifications for 1554: End Item Identification: MODEL 590 PUMP ACTION SHOTGUN 12 GAUGE. 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 1005-01-462-5164 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.