The Spotting Instrument,optical, cataloged under National Stock Number 1240-01-618-2712, 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 4 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 | 1240-01-618-2712 |
| Primary Part Number | 91637 |
| Item Name | Spotting Instrument,optical |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Leupold & Stevens Inc |
| Status | ACTIVE |
| Magnification Type | VARIABLE |
| Optical Device Type | LENS AND PRISM |
| Focusing Type | ADJUSTABLE |
| Scale Markings | 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 |
|---|---|
| 91637 PRIMARY | Leupold & Stevens Inc (USA) |
NSN 1240-01-618-2712 is a Spotting Instrument,optical, manufactured by Leupold & Stevens Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-618-2712 has 1 manufacturer part number on file: 91637 (Leupold & Stevens Inc).
Key specifications for 91637: Magnification Type: VARIABLE; Optical Device Type: LENS AND PRISM; Focusing Type: ADJUSTABLE; Part Name Assigned by Controlling Agency: MARK 4 TACTICAL SPOTTING SCOPE. 4 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 1240-01-618-2712 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.