The Slide Assembly,rear Sight, cataloged under National Stock Number 1005-01-502-5866, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Slide Assembly,rear Sight |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (CAGE 0BT64); Riflecraft Limited (CAGE KD0P9) |
| Parameter | Value |
|---|---|
| NSN | 1005-01-502-5866 |
| Primary Part Number | IS-3 |
| Item Name | Slide Assembly,rear Sight |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| IS-3 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
| IS-3 | Riflecraft Limited (GBR) |
| Reference | Meaning |
|---|---|
| 1005PL1957574 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1005-01-502-5866 is a Slide Assembly,rear Sight, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-502-5866 has 2 manufacturer part numbers on file: IS-3 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc), IS-3 (Riflecraft Limited).
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 1005-01-502-5866 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.