The Sight,infinity, cataloged under National Stock Number 1240-01-720-0847, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Bsa Optics Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-720-0847 |
| Primary Part Number | AIR4-12X44AOIR-01 |
| Item Name | Sight,infinity |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Bsa Optics Inc |
| Status | ACTIVE |
| Reticle Identifying Number | MIL-DOT |
| Magnification | 4 MINIMUM AND 12 MAXIMUM |
| Magnification Type | VARIABLE |
| Optical Device Type | LENS |
| Focusing Type | ADJUSTABLE |
| Reticle Style Designator | CROSSLINE |
| Bracket | NOT PROVIDED |
| Carrying Case | NOT PROVIDED |
| Objective Aperture Diameter | 44.0 MILLIMETERS NOMINAL MM |
| Scale Markings | PROVIDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AIR4-12X44AOIR-01 PRIMARY | Bsa Optics Inc (USA) |
| 4-12X 44 AO | Bsa Optics Inc (USA) |
NSN 1240-01-720-0847 is a Sight,infinity, manufactured by Bsa Optics Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-720-0847 has 2 manufacturer part numbers on file: AIR4-12X44AOIR-01 (Bsa Optics Inc), 4-12X 44 AO (Bsa Optics Inc).
Key specifications for AIR4-12X44AOIR-01: Reticle Identifying Number: MIL-DOT; Magnification: 4 MINIMUM AND 12 MAXIMUM; Magnification Type: VARIABLE; Optical Device Type: LENS. 10 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.
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.