The Lens,optical Instrument, cataloged under National Stock Number 6650-01-188-8028, 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 Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-188-8028 |
| Primary Part Number | SM-D-805008 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc |
| Status | ACTIVE |
| Material Document and Classification | MIL-G-174,GRADE A MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-174,GRADE B MIL SPEC 2ND MATERIAL RESPONSE |
| Diameter | 3.350 INCHES NOMINAL IN |
| Axial Thickness | 0.140 INCHES NOMINAL IN |
| Cubic Measure | 1.57115 CUBIC INCHES |
| Material | GLASS OPTICAL |
| Usage Design | BINOCULAR EYEPIECE |
| Single Lens Style | MENISCUS DIVERGING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-D-805008 | Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-D-805008 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6650-01-188-8028 is a Lens,optical Instrument, manufactured by Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-188-8028 has 1 manufacturer part number on file: SM-D-805008 (Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc).
Key specifications for SM-D-805008: Material Document and Classification: MIL-G-174,GRADE A MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-174,GRADE B MIL SPEC 2ND MATERIAL RESPONSE; Diameter: 3.350 INCHES NOMINAL IN; Axial Thickness: 0.140 INCHES NOMINAL IN; Special Features: MATERIAL IS TYPE 785258,STRAIN C,FINE ANNEALED. 7 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 6650-01-188-8028 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.