The Lens,optical Instrument, cataloged under National Stock Number 6650-00-964-9276, 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 11 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-964-9276 |
| Primary Part Number | 8626474 |
| Item Name | Lens,optical Instrument |
| 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 |
| Back Focal Length | 2.985 INCHES IN |
| Element Left Surface Radius | 1.851 INCHES IN |
| Equivalent Focal Length | 2.985 INCHES IN |
| Element Right Surface Radius | 1.851 INCHES IN |
| Material Document and Classification | MIL-G-174, GRADE C, TYPE 620-603 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 2.066 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN |
| Abbe Constant | 60.300 |
| Axial Thickness | 0.472 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| Refraction Index | 1.6200 NOMINAL |
| Single Lens Style | PLANO-CONVEX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8626474 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 6650-00-964-9276 is a Lens,optical Instrument, 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 6650-00-964-9276 has 1 manufacturer part number on file: 8626474 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-349-5971. Verify interchangeability with system specifications before substitution.
Key specifications for 8626474: Back Focal Length: 2.985 INCHES IN; Element Left Surface Radius: 1.851 INCHES IN; Equivalent Focal Length: 2.985 INCHES IN; Element Right Surface Radius: 1.851 INCHES IN. 11 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 6650-00-964-9276 has DEMIL Code B. 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.