The Brake,muzzle, cataloged under National Stock Number 1005-01-498-0044, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Northrop Grumman Systems Corp Div Weapon System. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 1005-01-498-0044 |
| Primary Part Number | 465-0312 |
| Item Name | Brake,muzzle |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| 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 |
|---|---|
| 465-0312 | Rosomak S.a (POL) |
| 465-0312 | Hanwha Defense Australia Pty Ltd (AUS) |
| 465-0312 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| 465-0312 | 5/9 Secondary reference Alliant Techsystems Operations Llc |
| 1005PL1541418 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10055481 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4650312 | 5/9 Secondary reference The Boeing Company |
NSN 1005-01-498-0044 is a Brake,muzzle, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-498-0044 has 3 manufacturer part numbers on file: 465-0312 (Rosomak S.a), 465-0312 (Hanwha Defense Australia Pty Ltd), 465-0312 (Northrop Grumman Systems Corp Div Weapon System).
1 possible match (shared part number, not a government interchangeability claim): 1270-01-523-8131. Verify interchangeability with system specifications before substitution.
Key specifications for 465-0312: End Item Identification: BARREL,AUTO GUN. 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 1005-01-498-0044 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.