The Receiver Upper, cataloged under National Stock Number 1005-01-657-1933, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Colt's Manufacturing Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | Receiver Upper |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Colt's Manufacturing Company, Llc (CAGE 13629) |
| Parameter | Value |
|---|---|
| NSN | 1005-01-657-1933 |
| Primary Part Number | 64512 |
| Item Name | Receiver Upper |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Colt's Manufacturing Company, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 64512 PRIMARY | Colt's Manufacturing Company, Llc (USA) |
NSN 1005-01-657-1933 is a Receiver Upper, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-657-1933 has 1 manufacturer part number on file: 64512 (Colt's Manufacturing Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-697-5111. 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 1005-01-657-1933 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.