The Sight Unit, cataloged under National Stock Number 1240-01-559-3467, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-559-3467 |
| Primary Part Number | 54560-1 |
| Item Name | Sight Unit |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc |
| Status | ACTIVE |
| Magnification | 4.0X MINIMUM AND 14.0X MAXIMUM |
| Diopter Scale | NOT INCLUDED |
| Magnification Type | VARIABLE |
| Optical Device Type | LENS |
| Focusing Type | ADJUSTABLE |
| Reticle Style Designator | CROSSLINE |
| Bracket | PROVIDED |
| Carrying Case | NOT PROVIDED |
| Objective Aperture Diameter | 2.3 INCHES NOMINAL IN |
| Scale Markings | PROVIDED |
| Straight Type Overall Length | 12.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 54560-1 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
NSN 1240-01-559-3467 is a Sight Unit, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-559-3467 has 1 manufacturer part number on file: 54560-1 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).
Key specifications for 54560-1: Magnification: 4.0X MINIMUM AND 14.0X MAXIMUM; Diopter Scale: NOT INCLUDED; Magnification Type: VARIABLE; Optical Device Type: LENS. 11 specifications are documented in the U.S. Government catalog.
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 1240-01-559-3467 has DEMIL Code C. 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.