The Lens,optical Instrument, cataloged under National Stock Number 6650-01-062-3122, 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 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-062-3122 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Diameter | 2.630 INCHES NOMINAL IN |
| Axial Thickness | 0.100 INCHES NOMINAL IN |
| Material | GERMANIUM |
| Single Lens Style | PLANO-CONCAVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-D-805038 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6650-01-062-3122 is a Lens,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-062-3122: Diameter: 2.630 INCHES NOMINAL IN; Axial Thickness: 0.100 INCHES NOMINAL IN; Special Features: MATERIAL USED IN THE MANUFACTURE OF THIS OPTICAL PART SHALL NOT CONTAINTHORIUM,OTHER RADIOACTIVE MATERIALS,ORANY COMBINATION OF NUCLEAR MATERIALS IN EXCESS OF .05 PERCENT BY WEIGHT AS DEFINED BY TITLE 10,CODE OF FEDERAL REGULATIONS,PART 40.THE INFRARED ANTIREFLECTIVE COATING IS EXCLUDED FROM THIS RESTRICTION AND CONTAINS THORIUM APPROXIMATELY .0011 GRAMS PER SQUARE CENTIMETER OF COATED SURFACE.THORIUM IN THE ANTIREFLECTIVE COATING SHOULD NOT EXCEED THIS AMOUNT G; Material: GERMANIUM. 4 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6650-01-062-3122 has DEMIL Code F. 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.