The Shroud,fan,radiator, cataloged under National Stock Number 2930-01-681-9552, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2930-01-681-9552 |
| Primary Part Number | 221-8620 |
| Item Name | Shroud,fan,radiator |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Vehicle Identification Designator | ROLLER, MOTORIZED,PNEUMATIC TIRED |
| Vehicle Design Control Activity | 11083 |
| 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 |
|---|---|
| 221-8620 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 211-8620 | 3/9 Design control — primary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2930-01-681-9552 is a Shroud,fan,radiator, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-681-9552 has 1 manufacturer part number on file: 221-8620 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-711-0032. Verify interchangeability with system specifications before substitution.
Key specifications for 221-8620: Vehicle Identification Designator: ROLLER, MOTORIZED,PNEUMATIC TIRED; Vehicle Design Control Activity: 11083; Part Name Assigned by Controlling Agency: SHROUD,FAN,RADIATOR; End Item Identification: 3895-01-550-8369. 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.