The Lens,optical Instrument, cataloged under National Stock Number 6650-00-320-0802, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-320-0802 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Individual Lens Style | PLANO-CONCAVE AND DOUBLE CONVEX |
| Back Focal Length | 49.650 CENTIMETERS CM |
| Front Focal Length | 60.130 CENTIMETERS CM |
| Element Left Surface Radius | 237.9 MILLIMETERS AND 13.6 MILLIMETERS MM |
| Equivalent Focal Length | 57.890 CENTIMETERS CM |
| Element Right Surface Radius | 13.8 MILLIMETERS AND 26.0 MILLIMETERS MM |
| Material Document and Classification | JAN-G-174 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 21.0 MILLIMETERS NOMINAL MM |
| Axial Thickness | 1.0 MILLIMETERS NOMINAL AND 8.6 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Refraction Index | 1.6490 NOMINAL AND 1.5170 NOMINAL |
| Compound Lens Style | DOUBLET |
| Compound Lens Overall Axial Thickness | 9.6 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 175986PC9 | 3/9 Design control — primary reference Naval Sea Systems Command |
| 175986PC9 | 5/9 Secondary reference Bausch & Lomb Inc |
| 175986PC9 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 6650-00-320-0802 is a Lens,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-00-320-0802: Individual Lens Style: PLANO-CONCAVE AND DOUBLE CONVEX; Back Focal Length: 49.650 CENTIMETERS CM; Front Focal Length: 60.130 CENTIMETERS CM; Element Left Surface Radius: 237.9 MILLIMETERS AND 13.6 MILLIMETERS MM. 13 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 6650-00-320-0802 has DEMIL Code Q. 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.