The Sight Unit, cataloged under National Stock Number 1240-01-685-3439, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Sig Sauer 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-685-3439 |
| Primary Part Number | WSOT61239 |
| Item Name | Sight Unit |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Sig Sauer Inc. |
| Status | ACTIVE |
| Focusing Type | ADJUSTABLE |
| Open Drawtube Overall Length | 30.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WSOT61239 PRIMARY | Sig Sauer Inc. (USA) |
| Reference | Meaning |
|---|---|
| WSOT61234 | 3/9 Design control — primary reference Sig Sauer Inc. |
NSN 1240-01-685-3439 is a Sight Unit, manufactured by Sig Sauer Inc., classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-685-3439 has 1 manufacturer part number on file: WSOT61239 (Sig Sauer Inc.).
Key specifications for WSOT61239: Focusing Type: ADJUSTABLE; Special Features: 6X24 MM; Part Name Assigned by Controlling Agency: TANGO6T RIFLE SCOPE; Open Drawtube Overall Length: 30.0 MILLIMETERS NOMINAL MM. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1240-01-685-3439 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.