The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-422-9841, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-422-9841 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 693.0 MILLIMETERS NOMINAL MM |
| Style Designator | LEFT HAND TUBE |
| Tube Quantity | 82 |
| Height | 275.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Material | BRASS TUBE SHEET |
| Material | STEEL CORROSION RESISTING PLATES |
| 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 |
|---|---|
| 110 | 5/9 Secondary reference Fuji Trading America Inc |
| 110 | C/1 Advisory reference — outside the item-of-supply concept Shinko Ind. Ltd |
| NCS-VP012-1F | 5/9 Secondary reference Shinko Ind. Ltd |
| 110 | C/1 Advisory reference — outside the item-of-supply concept Fuji Trading (america) Inc. |
| NCS-VP012-1F | C/1 Advisory reference — outside the item-of-supply concept Shinko Ind. Ltd |
| NCS-VP012-1F | C/1 Advisory reference — outside the item-of-supply concept Fuji Trading (america) Inc. |
| NCS-VP012-1F | 5/9 Secondary reference Fuji Trading America Inc |
| 110 | 3/9 Design control — primary reference Shinko Ind. Ltd |
NSN 4420-01-422-9841 is a Cooler,fluid,industrial, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
Key specifications for 4420-01-422-9841: Heat Transfer Method: INDIRECT; Length: 693.0 MILLIMETERS NOMINAL MM; Style Designator: LEFT HAND TUBE; Tube Quantity: 82. 8 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.