The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-113-5023, 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 L3harris Maritime Power & Energy Solutions, Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | L3harris Maritime Power & Energy Solutions, Inc (CAGE 04801) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-113-5023 |
| Primary Part Number | 43D392 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| 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 |
|---|---|
| 43D392 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5-036-05-066-001 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
| 5-036-05-066-001 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 4420-01-113-5023 is a Cooler,fluid,industrial, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-113-5023 has 1 manufacturer part number on file: 43D392 (L3harris Maritime Power & Energy Solutions, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4420-01-231-6953, 3040-01-231-7095. 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.