The Retainer,optical Element, cataloged under National Stock Number 6650-01-471-6476, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory 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 10 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 | 6650-01-471-6476 |
| Primary Part Number | 12975413 |
| Item Name | Retainer,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Recess Angle in Deg | 80.0 |
| Hole Chamfer Diameter | 1.970 INCHES NOMINAL IN |
| Style Designator | RECESSED |
| Setscrew Notch | PROVIDED |
| Recess Depth | 0.149 INCHES NOMINAL IN |
| Hole Chamfer Angle in Deg | 50.0 |
| Guide Design | THREAD RELIEF |
| Internal Annular Serration | NOT PROVIDED |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 1.740 INCHES NOMINAL 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 |
|---|---|
| 12975413 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 6650-01-471-6476 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 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-471-6476 has 1 manufacturer part number on file: 12975413 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12975413: Recess Angle in Deg: 80.0; Hole Chamfer Diameter: 1.970 INCHES NOMINAL IN; Style Designator: RECESSED; Setscrew Notch: PROVIDED. 10 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.