The Sight Unit, cataloged under National Stock Number 1240-01-586-7204, 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 2 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-586-7204 |
| Primary Part Number | 64660 |
| Item Name | Sight Unit |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Leupold & Stevens Inc |
| Status | ACTIVE |
| Magnification Type | VARIABLE |
| Focusing Type | ADJUSTABLE |
| 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 |
|---|---|
| 64660 PRIMARY | Leupold & Stevens Inc (USA) |
NSN 1240-01-586-7204 is a Sight Unit, manufactured by Leupold & Stevens Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-586-7204 has 1 manufacturer part number on file: 64660 (Leupold & Stevens Inc).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-715-8693. Verify interchangeability with system specifications before substitution.
Key specifications for 64660: Magnification Type: VARIABLE; Focusing Type: ADJUSTABLE; Special Features: LENGTH: 14.5"; Part Name Assigned by Controlling Agency: LEUPOLD - 6.5-20X50 ER/T M1 FRONT FOCAL MARK 4 RIFLESCOPE. 2 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 1240-01-586-7204 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.