The Lens,optical Instrument, cataloged under National Stock Number 6650-00-388-4516, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-388-4516 |
| Primary Part Number | 250480PC4 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Element Left Surface Radius | -120.9 MILLIMETERS MM |
| Equivalent Focal Length | 13.546 CENTIMETERS CM |
| Element Right Surface Radius | -200.4 MILLIMETERS MM |
| Diameter | 81.8 MILLIMETERS NOMINAL MM |
| Axial Thickness | 4.7 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Single Lens Style | DOUBLE CONCAVE |
| 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 |
|---|---|
| 250480PC4 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 250480PC4 | 5/9 Secondary reference Naval Sea Systems Command |
| 250480PC4 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 6650-00-388-4516 is a Lens,optical Instrument, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-388-4516 has 1 manufacturer part number on file: 250480PC4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 250480PC4: Element Left Surface Radius: -120.9 MILLIMETERS MM; Equivalent Focal Length: 13.546 CENTIMETERS CM; Element Right Surface Radius: -200.4 MILLIMETERS MM; Diameter: 81.8 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 6650-00-388-4516 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.