The Pulley Assembly,idler, cataloged under National Stock Number 3020-00-034-1874, 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 Wheeler Fleet Solutions, Co.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3020-00-034-1874 |
| Primary Part Number | 871-5139237 |
| Item Name | Pulley Assembly,idler |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF PULLEY,2 GROOVE; SHAFT,1;PULLEY BEARING 1,MOUNTING BRACKET,1 |
| 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 |
|---|---|
| FP5139237 | Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel (USA) |
| 871-5139237 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| 5139237 | General Motors Llc Dba General Motors Llc (USA) |
| 5139237 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 33282 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| Reference | Meaning |
|---|---|
| B5139237 | 5/9 Secondary reference Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel |
| PC5139237 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| 5122992 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 3020000341874 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5139237 | 5/9 Secondary reference Delphi France SAS |
| 5139237 | 5/9 Secondary reference General Motors Corp |
NSN 3020-00-034-1874 is a Pulley Assembly,idler, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-034-1874 has 5 manufacturer part numbers on file: FP5139237 (Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel), 871-5139237 (Wheeler Fleet Solutions, Co.), 5139237 (General Motors Llc Dba General Motors Llc), 5139237 (Rolls-Royce Solutions America Inc), 33282 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5305-00-392-2099, 4820-01-348-5930. Verify interchangeability with system specifications before substitution.
Key specifications for 871-5139237: General Characteristics Item Description: CONSISTS OF PULLEY,2 GROOVE; SHAFT,1;PULLEY BEARING 1,MOUNTING BRACKET,1; End Item Identification: GENERAL MOTORS CORP,LIGHT ARMORED VEHICLE MODEL LAV-25. 1 specification is 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.