The Cell Assembly,optical Instrument, cataloged under National Stock Number 1240-01-085-1587, 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 16 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 | 1240-01-085-1587 |
| Primary Part Number | 8211643 |
| 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 | ORD |
| Optical Element Quantity | 1 |
| Overall Diameter | 0.9304 INCHES MINIMUM AND 0.9364 INCHES MAXIMUM IN |
| Eccentric Construction | NOT PROVIDED |
| Optical Element Type | COMPOUND LENS |
| Thread Pitch Diameters | +0.7787 TO 0.7922 INCHES AND +0.8981 TO 0.9161 INCHES IN |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024,T6 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-785,T3-CANCELED FED SPEC 2ND MATERIAL RESPONSE |
| Thread Length | 0.078 INCHES AND 0.120 INCHES IN |
| Thread Location | INTERNAL AND EXTERNAL |
| Thread Direction | RIGHT-HAND |
| Optical Element Identifying Number | 5036359 PART NO. |
| Accessory Components and Quantity | CELL 1; RING 1; SEALING COMPOUND 2 |
| Thread Size | 13/16-32 AND 15/16-32 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2B AND 2A A |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 8211643 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-01-085-1587 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 1240-01-085-1587 has 1 manufacturer part number on file: 8211643 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8211643: Optical Element Controlling Agency: ORD; Optical Element Quantity: 1; Overall Diameter: 0.9304 INCHES MINIMUM AND 0.9364 INCHES MAXIMUM IN; Eccentric Construction: NOT PROVIDED. 16 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 1240-01-085-1587 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.