The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-386-9844, 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 Enerquip, Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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.
| Parameter | Value |
|---|---|
| NSN | 4420-01-386-9844 |
| Primary Part Number | SA-1242-C |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Enerquip, Llc |
| Status | ACTIVE |
| Length | 73.000 INCHES NOMINAL IN |
| Style Designator | RIGHT HAND TUBE DISCHARGE |
| Diameter | 10.500 INCHES NOMINAL IN |
| Height | 15.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4420-01-386-9844 is a Heater,fluid,industrial, manufactured by Enerquip, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-386-9844 has 2 manufacturer part numbers on file: 2-261735 (Enerquip, Llc), SA-1242-C (Enerquip, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-568-7173. Verify interchangeability with system specifications before substitution.
Key specifications for SA-1242-C: Length: 73.000 INCHES NOMINAL IN; Style Designator: RIGHT HAND TUBE DISCHARGE; Diameter: 10.500 INCHES NOMINAL IN; Height: 15.000 INCHES NOMINAL IN. 4 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.