The Modification Kit,gun,weapon, cataloged under National Stock Number 1005-01-373-4138, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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 | 1005-01-373-4138 |
| Primary Part Number | 634L657 |
| Item Name | Modification Kit,gun,weapon |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Supplementary Features | COGNIZANT USER SERVICE ROYAL UNITED KINGDOM AIR FORCE |
| 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 |
|---|---|
| 634L657 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 1005-01-373-4138 is a Modification Kit,gun,weapon, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-373-4138 has 1 manufacturer part number on file: 634L657 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 634L657: Supplementary Features: COGNIZANT USER SERVICE ROYAL UNITED KINGDOM AIR FORCE; End Item Identification: MINIGUN SPARES 7.62 MM MM. 1 specification is 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 1005-01-373-4138 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.