The Sight,infinity, cataloged under National Stock Number 1240-01-640-7449, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Leupold & Stevens Inc. Government technical data includes 1 specification, 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 | 1240-01-640-7449 |
| Primary Part Number | 120979 |
| Item Name | Sight,infinity |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Leupold & Stevens Inc |
| Status | ACTIVE |
| Carrying Case | PROVIDED |
| 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 |
|---|---|
| 120979 PRIMARY | Leupold & Stevens Inc (USA) |
NSN 1240-01-640-7449 is a Sight,infinity, manufactured by Leupold & Stevens Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-640-7449 has 1 manufacturer part number on file: 120979 (Leupold & Stevens Inc).
Key specifications for 120979: Special Features: ECOS-O 3-18X44MM DAYSCOPE KIT. NON-ILLUMINATED FIRST FOCAL PLANE GRADUATED GRID H59 RETICLE WITH 0.2 MIL SUBTENSIONS, WIDER HORIZONTAL GRID AND BROKEN CENTER CROSS. 34MM TUBE DIAMETER. 0.1 MIL WINDAGE AND ELEVATION ADJUSTMENTS. MATTE BLACK FINISH. KIT INCLUDES: DAYSCOPE, MOUNT, OPERATOR'S MANUAL, OBJECTIVE AND OCULAR LENS COVERS, QUICK REFERENCE GUIDE, TOOLS, AND SOFT CARRYING CASE. USE WITH M4A1 CARBINE AND MK17 CAR. W:2.75 IN; H:2.375 IN; WEIGHT: 2.5 LB. LBS; Carrying Case: PROVIDED. 1 specification is 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 1240-01-640-7449 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.