The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 1240-01-098-7451, 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 4 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 | 1240-01-098-7451 |
| Primary Part Number | 12293850 |
| Item Name | Eyepiece Assembly,optical Instru |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Diopter Scale | INCLUDED |
| Focusing Type | ADJUSTABLE |
| Accessory Components and Quantity | PACKING PREFORMED 4; RING RETAINING 2; DIAL MARKER 1; CELL EYEPIECE 1; CELL FOCUSING 1; BARREL FOCUSING 1; CUP EYE 1; SPACER LENS 2; SHIM 1; SCREW STOP 1 |
| Lens Arrangement | MENISCUS CONVERGING AND DOUBLET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 12293850 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 1240-01-098-7451 is a Eyepiece Assembly,optical Instru, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-098-7451 has 1 manufacturer part number on file: 12293850 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12293850: Diopter Scale: INCLUDED; Focusing Type: ADJUSTABLE; Accessory Components and Quantity: PACKING PREFORMED 4; RING RETAINING 2; DIAL MARKER 1; CELL EYEPIECE 1; CELL FOCUSING 1; BARREL FOCUSING 1; CUP EYE 1; SPACER LENS 2; SHIM 1; SCREW STOP 1; Lens Arrangement: MENISCUS CONVERGING AND DOUBLET. 4 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 1240-01-098-7451 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.