The Hub,fan Clutch, cataloged under National Stock Number 2930-01-152-5532, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-152-5532 |
| Primary Part Number | 2-21251 |
| Item Name | Hub,fan Clutch |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | SPLINED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2930-01-152-5532 is a Hub,fan Clutch, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-152-5532 has 2 manufacturer part numbers on file: 2AT493 (Oshkosh Defense Llc), 2-21251 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-383-5290. Verify interchangeability with system specifications before substitution.
Key specifications for 2-21251: General Characteristics Item Description: SPLINED; End Item Identification: 2320010970260. 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.