The Lens,optical Instrument, cataloged under National Stock Number 6650-00-962-2250, 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 15 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-962-2250 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| FSC Application Data | DETECTING SET,INFRARED,NONCOMMUNICATION |
| Length | 0.500 INCHES NOMINAL IN |
| Individual Lens Style | DOUBLE CONCAVE |
| Back Focal Length | 2.120 INCHES IN |
| Front Focal Length | 2.200 INCHES IN |
| Element Left Surface Radius | 0.000 INCHES IN |
| Equivalent Focal Length | 2.120 INCHES IN |
| Element Right Surface Radius | 0.000 INCHES IN |
| Material Document and Classification | MIL-G-174, GRADE B, TYPE 751-278 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 1.999 INCHES NOMINAL IN |
| Abbe Constant | 64.500 |
| Axial Thickness | 0.175 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| Refraction Index | 1.5170 NOMINAL |
| Single Lens Style | PLANO-CONCAVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SCC607217 | 3/2 Design control — primary reference U.S. Government activity |
| 13214E6807 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration I |
| 13214E6807 | 5/2 Secondary reference U.S. Government activity |
| 1100053 | 5/2 Secondary reference U.S. Government activity |
| 1100053 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration I |
| 13214E6807 | 5/2 Secondary reference U.S. Government activity |
NSN 6650-00-962-2250 is a Lens,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-00-962-2250: FSC Application Data: DETECTING SET,INFRARED,NONCOMMUNICATION; Length: 0.500 INCHES NOMINAL IN; Individual Lens Style: DOUBLE CONCAVE; Back Focal Length: 2.120 INCHES IN. 15 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 6650-00-962-2250 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.