The Pulley,groove, cataloged under National Stock Number 3020-01-589-9930, 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 Yanmar America Corporation. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-589-9930 |
| Primary Part Number | 129403-42380 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Yanmar America Corporation |
| 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 |
|---|---|
| 04-20137 | Cummins Power Generation Inc. (USA) |
| 129403-42380 PRIMARY | Yanmar America Corporation (USA) |
| Reference | Meaning |
|---|---|
| 129403-42380 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
NSN 3020-01-589-9930 is a Pulley,groove, manufactured by Yanmar America Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-589-9930 has 2 manufacturer part numbers on file: 04-20137 (Cummins Power Generation Inc.), 129403-42380 (Yanmar America Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-595-5049, 4710-01-595-5482. Verify interchangeability with system specifications before substitution.
Key specifications for 129403-42380: Part Name Assigned by Controlling Agency: V-PULLEY, WATER PUMP, D = 110 MM MM; End Item Identification: 6115-01-561-7634 GENERATOR SET, DIESEL 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.