The Lens,optical Instrument, cataloged under National Stock Number 6650-01-062-3128, 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 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-062-3128 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE B, TYPE 691-547 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 3.350 INCHES NOMINAL IN |
| Axial Thickness | 0.780 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| 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 |
| Reference | Meaning |
|---|---|
| SM-D-805007 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6650-01-062-3128 is a Lens,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-062-3128: Material Document and Classification: MIL-G-174, CLASS 1, GRADE B, TYPE 691-547 MIL SPEC SINGLE MATERIAL RESPONSE; Diameter: 3.350 INCHES NOMINAL IN; Axial Thickness: 0.780 INCHES NOMINAL IN; Special Features: MATERIAL USED IN THE MANUFACTURE OF THIS OPTICAL PART SHALL NOT CONTAINTHORIUM,OTHER RADIOACTIVE MATERIAL,OR ANY COMBINATION OF NUCLEAR MATERIAL INEXCESS OF 0.05 PERCENT BY WEIGHT AS DEFINED BY THE TITLE 10,CODE OF FEDERAL REGULATIONS,PART 40. 5 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 6650-01-062-3128 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.