The Window,optical Instrument, cataloged under National Stock Number 6650-01-360-1626, 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4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-360-1626 |
| Item Name | Window,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Reflection Reducing Surface | BOTH |
| Polished Periphery | NOT PROVIDED |
| Material | GLASS AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 620-960398-000 | 3/2 Design control — primary reference U.S. Government activity |
| B55M0024-20 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
NSN 6650-01-360-1626 is a Window,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-360-1626: Criticality Code Justification: FEAT; Reflection Reducing Surface: BOTH; Polished Periphery: NOT PROVIDED; Special Features: FRAME (BEZEL): FLAME RETARDANT PBT POLYESTER. 4 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 6650-01-360-1626 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.