The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-329-5511, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Cummins Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Cummins Inc. (CAGE 15434) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-329-5511 |
| Primary Part Number | 10541-1 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 10541-1 PRIMARY | Cummins Inc. (USA) |
NSN 4420-01-329-5511 is a Cooler,fluid,industrial, manufactured by Cummins Inc., classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-329-5511 has 1 manufacturer part number on file: 10541-1 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-506-2110. Verify interchangeability with system specifications before substitution.
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.