The Gearbox Assembly, cataloged under National Stock Number 3020-01-233-5483, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cincinnati Gearing Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gearbox Assembly |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Cincinnati Gearing Systems Inc (CAGE 3BNF6) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-233-5483 |
| Primary Part Number | 5750403-3 |
| Item Name | Gearbox Assembly |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cincinnati Gearing Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 241-5750403 | Cincinnati Gearing Systems Inc (USA) |
| 5750403-3 PRIMARY | Cincinnati Gearing Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5750403-3 | 3/9 Design control — primary reference The Cincinnati Gear Company Dba Power Transmission Systems |
| 241-5750403 | 5/9 Secondary reference The Cincinnati Gear Company Dba Power Transmission Systems |
NSN 3020-01-233-5483 is a Gearbox Assembly, manufactured by Cincinnati Gearing Systems Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-233-5483 has 2 manufacturer part numbers on file: 241-5750403 (Cincinnati Gearing Systems Inc), 5750403-3 (Cincinnati Gearing Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-257-0641, 4730-01-257-0642. Verify interchangeability with system specifications before substitution.
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 3020-01-233-5483 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.