The Gear,spur, cataloged under National Stock Number 3020-01-251-5522, 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 Naval Sea Systems Command. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear,spur |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Emerson Electric Co Browning Mfg Div (CAGE 71176) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-251-5522 |
| Primary Part Number | 5746905 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5746889 PIECE 9 | Naval Sea Systems Command (USA) |
| 5746905 PRIMARY | Naval Sea Systems Command (USA) |
| NSS2496-1/8KW PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 5746889 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3020-01-251-5522 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-251-5522 has 3 manufacturer part numbers on file: 5746889 PIECE 9 (Naval Sea Systems Command), 5746905 (Naval Sea Systems Command), NSS2496-1/8KW (Emerson Electric Co Browning Mfg Div).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-251-5523, 3020-01-251-5901, 3040-01-258-6760. 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.
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.