The Water Box,heat Exchanger, cataloged under National Stock Number 4420-01-201-0800, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4420-01-201-0800 |
| Item Name | Water Box,heat Exchanger |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Status | ACTIVE |
| 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 |
|---|---|
| DPK-102 | D/9 Drawing number reference only Golar Metal Inc |
| DPK-102PC242 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| DPK-102PC242 | 3/9 Design control — primary reference Golar Metal Inc |
NSN 4420-01-201-0800 is a Water Box,heat Exchanger, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-296-3011. Verify interchangeability with system specifications before substitution.
Key specifications for 4420-01-201-0800: End Item Identification: GOLAR METALL COOLER ASSEMBLY MODEL DPK-152/700B. 0 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.