The Lens,optical Instrument, cataloged under National Stock Number 6650-00-768-8773, 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 12 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 | 6650-00-768-8773 |
| Primary Part Number | 7688773 |
| 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 |
| FSC Application Data | PERISCOPE,TANK |
| Back Focal Length | 1.286 INCHES IN |
| Element Left Surface Radius | 1.236 INCHES IN |
| Equivalent Focal Length | 1.578 INCHES IN |
| Element Right Surface Radius | 3.740 INCHES IN |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE D, TYPE 617-550 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 1.297 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN |
| Abbe Constant | 55.000 |
| Axial Thickness | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Material | GLASS OPTICAL |
| Refraction Index | 1.6170 NOMINAL |
| Single Lens Style | DOUBLE CONVEX |
| 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 |
|---|---|
| 7688773 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 6650-00-768-8773 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 6650-00-768-8773 has 1 manufacturer part number on file: 7688773 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7688773: FSC Application Data: PERISCOPE,TANK; Back Focal Length: 1.286 INCHES IN; Element Left Surface Radius: 1.236 INCHES IN; Equivalent Focal Length: 1.578 INCHES IN. 12 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 6650-00-768-8773 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.