The Sight,rear, cataloged under National Stock Number 1005-01-526-4366, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Sight,rear |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (CAGE 0BT64) |
| Parameter | Value |
|---|---|
| NSN | 1005-01-526-4366 |
| Primary Part Number | ISA2 |
| Item Name | Sight,rear |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| ISA2 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| F9088-000238 | 6/9 Informative reference only Forsvarets Materielverk |
NSN 1005-01-526-4366 is a Sight,rear, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-526-4366 has 1 manufacturer part number on file: ISA2 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).
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 1005-01-526-4366 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.