The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-357-9083, 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 Hayden Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4420-01-357-9083 |
| Primary Part Number | 019045 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Hayden Inc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 21.625 INCHES NOMINAL IN |
| Tube Quantity | 6 |
| Height | 14.000 INCHES NOMINAL IN |
| Width | 5.000 INCHES NOMINAL IN |
| Material | COPPER TUBES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4420-01-357-9083 is a Cooler,fluid,industrial, manufactured by Hayden Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-357-9083 has 2 manufacturer part numbers on file: TT-16 (Hayden Inc), 019045 (Hayden Inc).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-500-3406. Verify interchangeability with system specifications before substitution.
Key specifications for 019045: Heat Transfer Method: INDIRECT; Length: 21.625 INCHES NOMINAL IN; Tube Quantity: 6; Height: 14.000 INCHES NOMINAL IN. 6 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.