The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-090-4273, 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 Cincinnati Heat Exchangers, Inc. Div Cincinnati Heat Exchangers, Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4420-01-090-4273 |
| Primary Part Number | 4109934 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Cincinnati Heat Exchangers, Inc. Div Cincinnati Heat Exchangers, Inc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECTINDIRECT |
| Material Document and Classification | MIL-C-15726 MIL SPEC 1ST MATERIAL RESPONSE TUBE SHEETMIL-C-15726 MIL SPEC 1ST MATERIAL RESPONSE TUBE SHEET |
| Material Document and Classification | MIL-T-15005 MIL SPEC 2ND MATERIAL RESPONSE TUBESMIL-T-15005 MIL SPEC 2ND MATERIAL RESPONSE TUBES |
| Material | COPPER ALLOY TUBE SHEETCOPPER ALLOY TUBE SHEET |
| Material | COPPER ALLOY TUBESCOPPER ALLOY TUBES |
| 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 |
|---|---|
| 4109934 PRIMARY | Cincinnati Heat Exchangers, Inc. Div Cincinnati Heat Exchangers, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4109934 | 5/9 Secondary reference Unifin International Inc Div of Wabtec Canada Inc Div Unifin International |
| 4130PL0727125 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4420-01-090-4273 is a Cooler,fluid,industrial, manufactured by Cincinnati Heat Exchangers, Inc. Div Cincinnati Heat Exchangers, Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-090-4273 has 1 manufacturer part number on file: 4109934 (Cincinnati Heat Exchangers, Inc. Div Cincinnati Heat Exchangers, Inc).
Key specifications for 4109934: Heat Transfer Method: INDIRECTINDIRECT; Material Document and Classification: MIL-C-15726 MIL SPEC 1ST MATERIAL RESPONSE TUBE SHEETMIL-C-15726 MIL SPEC 1ST MATERIAL RESPONSE TUBE SHEET; Material Document and Classification: MIL-T-15005 MIL SPEC 2ND MATERIAL RESPONSE TUBESMIL-T-15005 MIL SPEC 2ND MATERIAL RESPONSE TUBES; Material: COPPER ALLOY TUBE SHEETCOPPER ALLOY TUBE SHEET. 5 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.