The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-696-1629, 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 Thermal Transfer Products Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Drs Environmental Systems Inc (CAGE 5RQL2); Thermal Transfer Products Ltd (CAGE 55724) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-696-1629 |
| Primary Part Number | 57567 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Thermal Transfer Products Ltd |
| 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 |
|---|---|
| 22-1-1-496-103 | Drs Environmental Systems Inc (USA) |
| 57567 PRIMARY | Thermal Transfer Products Ltd (USA) |
| Reference | Meaning |
|---|---|
| 22-1-1-496 | 7/2 Vendor item drawing reference Drs Environmental Systems Inc |
NSN 4420-01-696-1629 is a Cooler,fluid,industrial, manufactured by Thermal Transfer Products Ltd, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-696-1629 has 2 manufacturer part numbers on file: 22-1-1-496-103 (Drs Environmental Systems Inc), 57567 (Thermal Transfer Products Ltd).
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.