The Breechblock, cataloged under National Stock Number 1005-01-359-8425, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Sig Sauer Inc Dba Sig Sauer. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Breechblock |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Sig Sauer Inc Dba Sig Sauer (CAGE 1EF82) |
| Parameter | Value |
|---|---|
| NSN | 1005-01-359-8425 |
| Primary Part Number | 34-280-338 |
| Item Name | Breechblock |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Sig Sauer Inc Dba Sig Sauer |
| 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 |
|---|---|
| 34-280-338 PRIMARY | Sig Sauer Inc Dba Sig Sauer (USA) |
| Reference | Meaning |
|---|---|
| 34-260-520 | 5/9 Secondary reference Sig Sauer Inc Dba Sig Sauer |
| P-260520 | 5/9 Secondary reference Sig Sauer Inc Dba Sig Sauer |
NSN 1005-01-359-8425 is a Breechblock, manufactured by Sig Sauer Inc Dba Sig Sauer, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-359-8425 has 1 manufacturer part number on file: 34-280-338 (Sig Sauer Inc Dba Sig Sauer).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-475-3194. Verify interchangeability with system specifications before substitution.
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 1005-01-359-8425 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.