The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-578-2222, 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 Southwest Thermal Technology Incorporated. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-578-2222 |
| Primary Part Number | BS-1003-205660-4PASS |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Southwest Thermal Technology Incorporated |
| 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 |
|---|---|
| NB-205660 REV 2 | Southwest Thermal Technology Incorporated (USA) |
| 060874-204 REV C ITEM 54 | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| BS-1003-205660-4PASS PRIMARY | Southwest Thermal Technology Incorporated (USA) |
NSN 4420-01-578-2222 is a Cooler,fluid,industrial, manufactured by Southwest Thermal Technology Incorporated, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-578-2222 has 3 manufacturer part numbers on file: NB-205660 REV 2 (Southwest Thermal Technology Incorporated), 060874-204 REV C ITEM 54 (Hydraulics International, Inc. Dba Hydraulics International Inc), BS-1003-205660-4PASS (Southwest Thermal Technology Incorporated).
Key specifications for BS-1003-205660-4PASS: End Item Identification: HEAT EXCHANGER; BS-1003-205660-4PASS. 0 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.