The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-367-7535, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-367-7535 |
| Primary Part Number | B-1003-C4-F-BR-CN-B-Z |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Thermal Transfer Products Ltd |
| Status | ACTIVE |
| Style Designator | STRUT CYLINDRICAL |
| Material | COPPER AND NICKEL ALLOY TUBES |
| Material | BRASS HOUSING |
| 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 |
|---|---|
| B-1003-C4-F-BR-CN-B-Z PRIMARY | Thermal Transfer Products Ltd (USA) |
| Reference | Meaning |
|---|---|
| SL-73714 | 5/9 Secondary reference Thermal Transfer Products Ltd |
| B-1003-C4-F-CN-B-Z | 5/9 Secondary reference Thermal Transfer Products Ltd |
NSN 4420-01-367-7535 is a Cooler,fluid,industrial, manufactured by Thermal Transfer Products Ltd, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-367-7535 has 1 manufacturer part number on file: B-1003-C4-F-BR-CN-B-Z (Thermal Transfer Products Ltd).
Key specifications for B-1003-C4-F-BR-CN-B-Z: Style Designator: STRUT CYLINDRICAL; Material: COPPER AND NICKEL ALLOY TUBES; Material: BRASS HOUSING. 3 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.