The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-411-7571, 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 Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp. Government technical data includes 7 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 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 | 4420-01-411-7571 |
| Primary Part Number | D2780 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 43.438 INCHES NOMINAL IN |
| Style Designator | STRUT CYLINDRICAL |
| Diameter | 5.562 INCHES NOMINAL IN |
| Height | 8.500 INCHES NOMINAL IN |
| Width | 6.500 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| 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 |
|---|---|
| D2780 PRIMARY | Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp (USA) |
NSN 4420-01-411-7571 is a Cooler,fluid,industrial, manufactured by Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-411-7571 has 1 manufacturer part number on file: D2780 (Xchanger Manufacturing Corporation Dba Xchanger Manufacturing Corp).
1 possible match (shared part number, not a government interchangeability claim): 4420-01-413-2636. Verify interchangeability with system specifications before substitution.
Key specifications for D2780: Heat Transfer Method: INDIRECT; Length: 43.438 INCHES NOMINAL IN; Style Designator: STRUT CYLINDRICAL; Diameter: 5.562 INCHES NOMINAL IN. 7 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.