The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-331-1784, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-331-1784 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Status | ACTIVE |
| Tubing Outside Diameter | 0.375 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN |
| Capacity Rating | 120.0 GALLONS PER HOUR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-C-15730 | 4/1 Identification reference U.S. Government activity |
| MIL-C-15730 TY | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4420-01-331-1784 is a Cooler,fluid,industrial, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
Key specifications for 4420-01-331-1784: Tubing Outside Diameter: 0.375 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN; Capacity Rating: 120.0 GALLONS PER HOUR. 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.