The Filter,light,interference, cataloged under National Stock Number 6650-01-458-6598, 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 Barr Associates Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-458-6598 |
| Primary Part Number | 10100612-120 |
| Item Name | Filter,light,interference |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Barr Associates Inc |
| 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 |
|---|---|
| 10100612-120 PRIMARY | Barr Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| 10100612 | 7/1 Vendor item drawing reference Ophir Corporation |
NSN 6650-01-458-6598 is a Filter,light,interference, manufactured by Barr Associates Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-458-6598 has 1 manufacturer part number on file: 10100612-120 (Barr Associates Inc).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-458-6601. Verify interchangeability with system specifications before substitution.
Key specifications for 10100612-120: Special Features: CENTER WAVELENGTH: 810.0 PORM 0.5 NM; End Item Identification: B-2 B0MBER. 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.