The Holder,sear-Trigger Spring, cataloged under National Stock Number 1005-01-444-6057, 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 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-444-6057 |
| Primary Part Number | 465-5323 |
| Item Name | Holder,sear-Trigger Spring |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| 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 |
|---|---|
| 465-5323 | Hanwha Defense Australia Pty Ltd (AUS) |
| 465-5323 | Rosomak S.a (POL) |
| 588501251000 | Leonardo Spa Divisione Sistemi Di Difesa (ITA) |
| 465-5323 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| 465-5323 | 5/9 Secondary reference The Boeing Company |
| 10053681 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1005PL1541520 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 465-5323 | 3/9 Design control — primary reference Alliant Techsystems Operations Llc |
NSN 1005-01-444-6057 is a Holder,sear-Trigger Spring, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-444-6057 has 4 manufacturer part numbers on file: 465-5323 (Hanwha Defense Australia Pty Ltd), 465-5323 (Rosomak S.a), 588501251000 (Leonardo Spa Divisione Sistemi Di Difesa), 465-5323 (Northrop Grumman Systems Corp Div Weapon System).
Key specifications for 465-5323: End Item Identification: AUTOMATIC GUN, SMALL ARMS, HELICOPTER. 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 1005-01-444-6057 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.