The Cell Assembly,optical Instrument, cataloged under National Stock Number 1240-00-111-5294, 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 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 | 1240-00-111-5294 |
| Primary Part Number | 10552857 |
| 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 | USAARRCOM |
| Optical Element Quantity | 2 AND 1 |
| Eccentric Construction | NOT PROVIDED |
| Optical Element Type | COMPOUND LENS AND RETICLE |
| Thread Pitch Diameters | +1.9037 TO 1.9091 INCHES AND +2.1647 TO 2.1678 INCHES IN |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE C MIL SPEC 2ND MATERIAL RESPONSE |
| Thread Length | 0.3125 INCHES AND 0.8435 INCHES IN |
| Thread Location | INTERNAL AND EXTERNAL |
| Optical Element Identifying Number | 8289260 DRAWING NO. AND 8289259 DRAWING NO. |
| Thread Size | 1.938-32 AND 2.188-32 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2B AND 3A A |
| Material | STEEL CORROSION RESISTING AND GLASS OPTICAL |
| 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 |
|---|---|
| 10552857 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-00-111-5294 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 1240-00-111-5294 has 1 manufacturer part number on file: 10552857 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 10552857: Optical Element Controlling Agency: USAARRCOM; Optical Element Quantity: 2 AND 1; Eccentric Construction: NOT PROVIDED; Optical Element Type: COMPOUND LENS AND RETICLE. 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 1240-00-111-5294 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.