The Filter,light,optical Instrument, cataloged under National Stock Number 6650-01-231-9545, 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 The Boeing Company Div Defense. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-231-9545 |
| Primary Part Number | 509-201076-1 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 1.720 INCHES NOMINAL IN |
| Overall Thickness | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Width | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Density Variability | VARIABLE |
| 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 |
|---|---|
| 509-201076-1 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 509-201076-1 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
NSN 6650-01-231-9545 is a Filter,light,optical Instrument, manufactured by The Boeing Company Div Defense, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-231-9545 has 1 manufacturer part number on file: 509-201076-1 (The Boeing Company Div Defense).
Key specifications for 509-201076-1: Overall Diameter: 1.720 INCHES NOMINAL IN; Overall Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Special Features: TRANSMITTANCE AT 550 NONOMETERS WITH 0 DEG INCIDENT LIGHT SHALL BE 12 PCT TO 13.2 PCT; TRANSMITTANCE OVER WAVE LENGTH RANGE 400-700 NANOMETERS 11-14 PCT. NICKEL ALLOY.; Width: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN. 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 6650-01-231-9545 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.