The Hub,fan Clutch, cataloged under National Stock Number 2930-01-654-6406, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-654-6406 |
| Primary Part Number | 020004537 |
| Item Name | Hub,fan Clutch |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems |
| Status | ACTIVE |
| Overall Diameter | 132.0 MILLIMETERS NOMINAL MM |
| Special Markings | LA7421175983 |
| Material | STEEL |
| 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 |
|---|---|
| 21175983 | Volvo Lastvagnar Aktiebolag (SWE) |
| 020004537 PRIMARY | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems (USA) |
| 7421175983 | Arquus (FRA) |
| Reference | Meaning |
|---|---|
| 21175983 | 5/9 Secondary reference Volvo Lastvagnar Ab - Volvo Truckcorp |
NSN 2930-01-654-6406 is a Hub,fan Clutch, manufactured by Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-654-6406 has 3 manufacturer part numbers on file: 21175983 (Volvo Lastvagnar Aktiebolag), 020004537 (Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems), 7421175983 (Arquus).
Key specifications for 020004537: Overall Diameter: 132.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: SPACER, HUB, FAN CLUTCH; End Item Identification: RENAULT TRUCKS SHEPRA 2/3; Special Markings: LA7421175983. 3 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.