The Lens,optical Instrument, cataloged under National Stock Number 6650-00-320-0803, 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 Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-00-320-0803 |
| Primary Part Number | 175986PC10 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 4.6 MILLIMETERS NOMINAL MM |
| Diameter | 20.8 MILLIMETERS NOMINAL MM |
| Abbe Constant | 57.400 |
| Axial Thickness | 4.6 MILLIMETERS NOMINAL MM |
| Material | GLASS |
| Refraction Index | 1.5725 NOMINAL |
| Single Lens Style | PLANO-CONVEX |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 175986PC10 PRIMARY | Naval Sea Systems Command (USA) |
| 175986PC10 | Bausch & Lomb Inc (USA) |
| Reference | Meaning |
|---|---|
| 175986PC10 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 6650-00-320-0803 is a Lens,optical Instrument, manufactured by Naval Sea Systems Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-320-0803 has 2 manufacturer part numbers on file: 175986PC10 (Naval Sea Systems Command), 175986PC10 (Bausch & Lomb Inc).
Key specifications for 175986PC10: Length: 4.6 MILLIMETERS NOMINAL MM; Diameter: 20.8 MILLIMETERS NOMINAL MM; Abbe Constant: 57.400; Axial Thickness: 4.6 MILLIMETERS NOMINAL MM. 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 6650-00-320-0803 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.