The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-173-8532, 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 Sen-Dure Products Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4420-01-173-8532 |
| Primary Part Number | 11511-1-7 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Sen-Dure Products Inc |
| Status | ACTIVE |
| Heat Transfer Method | DIRECT |
| Length | 31.875 INCHES NOMINAL IN |
| Style Designator | STRAIGHT PLAIN TUBE CYLINDRICAL |
| Tubing Outside Diameter | 3.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 11511-1-7 PRIMARY | Sen-Dure Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 1101108000 | 5/9 Secondary reference Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| 11511-1-7 | 3/9 Design control — primary reference Sendure Products Inc |
NSN 4420-01-173-8532 is a Cooler,fluid,industrial, manufactured by Sen-Dure Products Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-173-8532 has 1 manufacturer part number on file: 11511-1-7 (Sen-Dure Products Inc).
Key specifications for 11511-1-7: Heat Transfer Method: DIRECT; Length: 31.875 INCHES NOMINAL IN; Style Designator: STRAIGHT PLAIN TUBE CYLINDRICAL; Tubing Outside Diameter: 3.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 4 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.