The Mount,sight, cataloged under National Stock Number 1240-01-061-4259, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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 | 1240-01-061-4259 |
| Primary Part Number | 12266422 |
| Item Name | Mount,sight |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| FSC Application Data | OPTICAL SIGHTING AND RANGING EQUIP. |
| Elevation Adjustment Mechanism | NOT PROVIDED |
| Azimuth Adjustment Mechanism | NOT PROVIDED |
| Instrument Light Accommodation | NOT PROVIDED |
| Surface Treatment | NICKEL |
| Mounting Configuration | THREE 0.233 TO 0.243 IN. AND THREE 0.159 TO 0.169 IN. MTG HOLES ON 2.620 IN. DIA CTR IN |
| Cubic Measure | 18.717 CUBIC INCHES |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12266422 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 1240-01-061-4259 is a Mount,sight, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-061-4259 has 1 manufacturer part number on file: 12266422 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266422: FSC Application Data: OPTICAL SIGHTING AND RANGING EQUIP.; Elevation Adjustment Mechanism: NOT PROVIDED; Azimuth Adjustment Mechanism: NOT PROVIDED; Instrument Light Accommodation: NOT PROVIDED. 8 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 1240-01-061-4259 has DEMIL Code Q. 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.