The Gear,spur, cataloged under National Stock Number 3020-01-423-3403, 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 Ridge Tool Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3020-01-423-3403 |
| Primary Part Number | 34837 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ridge Tool Company |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| Style Designator | HUBLESS |
| 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 |
|---|---|
| 34837 PRIMARY | Ridge Tool Company (USA) |
NSN 3020-01-423-3403 is a Gear,spur, manufactured by Ridge Tool Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-423-3403 has 1 manufacturer part number on file: 34837 (Ridge Tool Company).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-516-1831, 5940-01-519-5341. Verify interchangeability with system specifications before substitution.
Key specifications for 34837: Body Style: PLAIN, SOLID; Style Designator: HUBLESS; Special Features: USED IN PIPE AND BOLT THREADING MACHINE, RIDGE COMPANY, MODELS 1822-1, 1822-1C, 1822-1D; End Item Identification: WEAPONS SYSTEMS STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 2 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.