The Retainer,optical Element, cataloged under National Stock Number 1240-01-026-6660, 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 7 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 | 1240-01-026-6660 |
| Primary Part Number | 11746442 |
| Item Name | Retainer,optical Element |
| 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 |
| Style Designator | RECESSED |
| Setscrew Notch | NOT PROVIDED |
| Material Document and Classification | WW-T-700/3, T3 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Size | 0.875-32 |
| Internal Annular Serration | NOT PROVIDED |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6062 |
| Hole Diameter | 0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11746442 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-01-026-6660 is a Retainer,optical Element, 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 1240-01-026-6660 has 1 manufacturer part number on file: 11746442 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 11746442: Style Designator: RECESSED; Setscrew Notch: NOT PROVIDED; Material Document and Classification: WW-T-700/3, T3 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 7 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.
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.