The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-195-6972, 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 Indeeco Llc Dba Indeeco. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Indeeco Llc Dba Indeeco (CAGE 74924) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-195-6972 |
| Primary Part Number | 351X-0031 |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Indeeco Llc Dba Indeeco |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 351X-0031 PRIMARY | Indeeco Llc Dba Indeeco (USA) |
| 35-18148-41 | Indeeco Llc Dba Indeeco (USA) |
| Reference | Meaning |
|---|---|
| 35-343 | D/9 Drawing number reference only Indeeco Llc Dba Indeeco |
NSN 4420-01-195-6972 is a Heater,fluid,industrial, manufactured by Indeeco Llc Dba Indeeco, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-195-6972 has 2 manufacturer part numbers on file: 351X-0031 (Indeeco Llc Dba Indeeco), 35-18148-41 (Indeeco Llc Dba Indeeco).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-479-9012. 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.