The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-502-1548, 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 Chromalox Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Chromalox Inc (CAGE 07131) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-502-1548 |
| Primary Part Number | 072824004 |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Chromalox Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 072824004 PRIMARY | Chromalox Inc (USA) |
| NWH01SB-1217E4XX | Chromalox Inc (USA) |
| Reference | Meaning |
|---|---|
| 052-072824-004D9B | D/9 Drawing number reference only Chromalox Inc |
| 052-072824-004 | C/1 Advisory reference — outside the item-of-supply concept Chromalox Inc |
NSN 4420-01-502-1548 is a Heater,fluid,industrial, manufactured by Chromalox Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-502-1548 has 2 manufacturer part numbers on file: 072824004 (Chromalox Inc), NWH01SB-1217E4XX (Chromalox Inc).
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.