The Cell,optical Element, cataloged under National Stock Number 1240-01-081-1707, 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 13 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 | 1240-01-081-1707 |
| Primary Part Number | 12266750 |
| Item Name | Cell,optical Element |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 3.398 INCHES MINIMUM AND 3.400 INCHES MAXIMUM IN |
| Drive Type | DRILLED HOLE |
| Eccentric Construction | NOT PROVIDED |
| Thread Pitch Diameters | +3.2308 TO 3.2366 INCHES AND +2.9743 TO 2.9787 INCHES IN |
| Thread Length | 0.165 INCHES AND 0.500 INCHES IN |
| Thread Location | INTERNAL AND EXTERNAL |
| Chamfer Location | SMALLER DIAMETER END |
| Thread Direction | RIGHT-HAND |
| Chamfer Size | 0.188 IN. BY 55 DEG IN |
| Thread Size | 3 1/4-32 AND 3-32 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2B AND 2A A |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 12266750 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 1240-01-081-1707 is a Cell,optical Element, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-081-1707 has 1 manufacturer part number on file: 12266750 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266750: Overall Diameter: 3.398 INCHES MINIMUM AND 3.400 INCHES MAXIMUM IN; Drive Type: DRILLED HOLE; Eccentric Construction: NOT PROVIDED; Thread Pitch Diameters: +3.2308 TO 3.2366 INCHES AND +2.9743 TO 2.9787 INCHES IN. 13 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 1240-01-081-1707 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.