The Bolt,breech, cataloged under National Stock Number 1005-01-732-7491, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Sig Sauer 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 | 1005-01-732-7491 |
| Primary Part Number | 8901581 |
| Item Name | Bolt,breech |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Sig Sauer Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8901581 PRIMARY | Sig Sauer Inc. (USA) |
NSN 1005-01-732-7491 is a Bolt,breech, manufactured by Sig Sauer Inc., classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-732-7491 has 1 manufacturer part number on file: 8901581 (Sig Sauer Inc.).
Key specifications for 8901581: Special Features: MK23 MOD0, ASSY, BOLT CARRIER, CAM PIN, HAMMER COMPATIBLE FPL, WITH FIRING PIN, CONTAINS THE FOLLOWING PARTS: CARRIER, FREE ROTATION, LT P/N 2402785 8901581, O-RING, .070 X .241 OD P/N 1700197, PIN, FIRING PIN RETENTION P/N 2401196, PIN, SLOTTED, .063 X .375, SS, PL, P/N 1700014, PIN, SLOTTED SPRING, 5/64 X 3/8, BK P/N 2401793, SPRING, FIRING PIN, BRAIDED P/N 2402077, FIRING PIN, LT, TAPPERED P/N 2402787, CAM PIN, ENHANCED P/N 2401689, AND FIRING PIN LOCK, LEAF SPRING, HAMMER COMPATIBLE P/N 2402786; Part Name Assigned by Controlling Agency: MK23 BOLT. 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 1005-01-732-7491 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.