The Filter,light,interference, cataloged under National Stock Number 6650-01-668-2956, 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 Airgas Usa, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-668-2956 |
| Primary Part Number | MIL235628 |
| Item Name | Filter,light,interference |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Airgas Usa, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MIL235628 | Airgas Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 235628 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 6650-01-668-2956 is a Filter,light,interference, manufactured by Airgas Usa, Llc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-668-2956 has 1 manufacturer part number on file: MIL235628 (Airgas Usa, Llc).
Key specifications for MIL235628: Part Name Assigned by Controlling Agency: FRONT LENS COVER; End Item Identification: WELDING SHOP,MARINE CORPS TACTICAL. 0 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.
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.