The Light Source, cataloged under National Stock Number 6650-01-075-3521, 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 L3 Technologies, Inc. Div L3 Keo. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-075-3521 |
| Primary Part Number | 44333 |
| Item Name | Light Source |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| 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 |
|---|---|
| 44333 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| F044333 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| F044473 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 004333 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 6650-01-075-3521 is a Light Source, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-075-3521 has 1 manufacturer part number on file: 44333 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-398-7798, 2510-01-705-7153. Verify interchangeability with system specifications before substitution.
Key specifications for 44333: End Item Identification: MAINTENANCE KIT,F100 ENGINE. 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.