The Core Assembly,fluid Heater,indus, cataloged under National Stock Number 4420-01-625-5807, 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 Hdt Expeditionary Systems Inc. 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.
| Item Name | Core Assembly,fluid Heater,indus |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Hdt Expeditionary Systems Inc (CAGE 0WJE1) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-625-5807 |
| Primary Part Number | 230-00045-A17 |
| Item Name | Core Assembly,fluid Heater,indus |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Hdt Expeditionary Systems 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 |
|---|---|
| 230-00045-A17 PRIMARY | Hdt Expeditionary Systems Inc (USA) |
NSN 4420-01-625-5807 is a Core Assembly,fluid Heater,indus, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-625-5807 has 1 manufacturer part number on file: 230-00045-A17 (Hdt Expeditionary Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 4120-01-627-5112. Verify interchangeability with system specifications before substitution.
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.