The Aperture,sight, cataloged under National Stock Number 1005-00-978-1026, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Aperture,sight |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Army, United States Department of the Dba Rock Island Arsenal Jmtc (CAGE 19204); Colt's Manufacturing Company, Llc (CAGE 13629) |
| Parameter | Value |
|---|---|
| NSN | 1005-00-978-1026 |
| Primary Part Number | 8448539 |
| Item Name | Aperture,sight |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| 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 |
|---|---|
| 8448539 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 61700 | Colt's Manufacturing Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1005-978-1026 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 1005-00-978-1026 is a Aperture,sight, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-00-978-1026 has 2 manufacturer part numbers on file: 8448539 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 61700 (Colt's Manufacturing Company, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5940-01-513-2291, 8465-01-592-2410. 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 1005-00-978-1026 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.