The Cell Assembly,optical Instrument, cataloged under National Stock Number 1240-01-085-1383, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1240-01-085-1383 |
| Primary Part Number | 128841-2 |
| Item Name | Cell Assembly,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| FSC Application Data | ACFT GUNNERY FIRE CONTROL COMPONENTS |
| Optical Element Quantity | 1 |
| Eccentric Construction | NOT PROVIDED |
| 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 |
|---|---|
| 128841-2 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128841-2 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
NSN 1240-01-085-1383 is a Cell Assembly,optical Instrument, manufactured by Lockheed Martin Corporation, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-085-1383 has 1 manufacturer part number on file: 128841-2 (Lockheed Martin Corporation).
Key specifications for 128841-2: FSC Application Data: ACFT GUNNERY FIRE CONTROL COMPONENTS; Optical Element Quantity: 1; Eccentric Construction: NOT PROVIDED; Special Features: HOLDER OPTICAL INSTRUMENT MIRROR 1;MIRROR OPTICAL INSTRUMENT 1. 3 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 1240-01-085-1383 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.