The Cell Assembly,optical Instrument, cataloged under National Stock Number 1240-01-079-5453, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 6 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 | 1240-01-079-5453 |
| Primary Part Number | 10556128 |
| Item Name | Cell Assembly,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Optical Element Controlling Agency | ARMY |
| Optical Element Quantity | 2 |
| Eccentric Construction | NOT PROVIDED |
| Optical Element Type | OPTICAL GLASS WINDOW AND RETICLE |
| Optical Element Identifying Number | 10556138 DRAWING NO. AND 8644292 DRAWING NO. |
| Accessory Components and Quantity | LAMP 1; PACKING 1; RETAINER 3; CELL 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 10556128 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-01-079-5453 is a Cell Assembly,optical Instrument, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-079-5453 has 1 manufacturer part number on file: 10556128 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 10556128: Optical Element Controlling Agency: ARMY; Optical Element Quantity: 2; Eccentric Construction: NOT PROVIDED; Optical Element Type: OPTICAL GLASS WINDOW AND RETICLE. 6 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 1240-01-079-5453 has DEMIL Code F. 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.