The Arm Assembly,weapon Mounting,adj, cataloged under National Stock Number 1090-01-601-5839, is classified within Federal Supply Class 1090 (Assemblies Interchangeable Between Weapons in Two or More Classes) of the Weapons group. The manufacturer of record is Foster-Miller, Inc. Dba Qinetiq North America. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Arm Assembly,weapon Mounting,adj |
| FSC / FSG | 1090 — Assemblies Interchangeable Between Weapons in Two or More Classes (FSG 10) |
| Manufacturers | Foster-Miller, Inc. Dba Qinetiq North America (CAGE 30233) |
| Parameter | Value |
|---|---|
| NSN | 1090-01-601-5839 |
| Primary Part Number | 101ASM4509 |
| Item Name | Arm Assembly,weapon Mounting,adj |
| FSC / FSG | 1090 / 10 — Assemblies Interchangeable Between Weapons in Two or More Classes |
| Manufacturer | Foster-Miller, Inc. Dba Qinetiq North America |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 101ASM4509 PRIMARY | Foster-Miller, Inc. Dba Qinetiq North America (USA) |
| Reference | Meaning |
|---|---|
| 101ASM4509 | 5/9 Secondary reference Qinetiq North America, Inc. Dba Technology Systems Group Div Qinetiq North America Inc, Technology Solutions Gr |
NSN 1090-01-601-5839 is a Arm Assembly,weapon Mounting,adj, manufactured by Foster-Miller, Inc. Dba Qinetiq North America, classified under FSC 1090, Assemblies Interchangeable Between Weapons in Two or More Classes. Status: active.
NSN 1090-01-601-5839 has 1 manufacturer part number on file: 101ASM4509 (Foster-Miller, Inc. Dba Qinetiq North America).
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 1090-01-601-5839 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.