The Gear,spur, cataloged under National Stock Number 3020-01-251-5523, 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 Emerson Electric Co Browning Mfg Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | Emerson Electric Co Browning Mfg Div (CAGE 71176) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-251-5523 |
| Primary Part Number | NSS2448A-1/8KW |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| 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 |
|---|---|
| NSS2448A-1/8KW PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 5476906 | 5/9 Secondary reference Naval Sea Systems Command |
| 5746889 PIECE 10 | 5/9 Secondary reference Naval Sea Systems Command |
| 5746889 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5746906 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3020-01-251-5523 is a Gear,spur, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-251-5523 has 1 manufacturer part number on file: NSS2448A-1/8KW (Emerson Electric Co Browning Mfg Div).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-251-5901, 3040-01-258-6760, 3040-01-258-6761. 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.