The Spotting Instrument,optical, cataloged under National Stock Number 1240-01-589-1804, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1240-01-589-1804 |
| Primary Part Number | SSOT |
| Item Name | Spotting Instrument,optical |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Leupold & Stevens Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SSOT PRIMARY | Leupold & Stevens Inc (USA) |
| Reference | Meaning |
|---|---|
| SSOT | 5/9 Secondary reference Horus Vision Llc |
NSN 1240-01-589-1804 is a Spotting Instrument,optical, manufactured by Leupold & Stevens Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-589-1804 has 1 manufacturer part number on file: SSOT (Leupold & Stevens Inc).
Key specifications for SSOT: Special Features: CONTAINS ARMOR OBJECTIVE BLACK, OBJECTIVE LOCKRING, ENDCAP, 2ND MIRROR, BLACK, OBJECTIVE, BLACK HOUSING, TOP ARMOR BLACK HOUSING, BOTTOM ARMOR BLACK HOUSING, BLACK TRIPOD MOUNT, BLACK TRIPOD LOCKNUT, BLACK POWER SELECTOR ARMOR, BLACK FIRST MIRROR END CAP, BLACK ERECTOR EYEPIECE, BLACK FOCUS ARMOR AND BLACK ARMOR EYEPIECE; Part Name Assigned by Controlling Agency: LEOPOLD SPOTTING SCOPE MARK 4 GEN II MILDOT RETICLE; End Item Identification: 6650-01-583-7651. 0 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 1240-01-589-1804 has DEMIL Code F. 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.