The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-407-7609, 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 Rolls-Royce Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4420-01-407-7609 |
| Primary Part Number | 23036120 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 55.000 INCHES NOMINAL IN |
| Style Designator | PLAIN U-TUBE |
| Diameter | 11.750 INCHES NOMINAL IN |
| Height | 15.500 INCHES NOMINAL IN |
| Material | STEEL SHELL |
| 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 |
|---|---|
| 23036120 PRIMARY | Rolls-Royce Corporation (USA) |
| 5-131-08-039-001 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-131-08-039-001 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 4420-01-407-7609 is a Cooler,fluid,industrial, manufactured by Rolls-Royce Corporation, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-407-7609 has 2 manufacturer part numbers on file: 23036120 (Rolls-Royce Corporation), 5-131-08-039-001 (Fluid Handling Llc).
Key specifications for 23036120: Heat Transfer Method: INDIRECT; Length: 55.000 INCHES NOMINAL IN; Style Designator: PLAIN U-TUBE; Diameter: 11.750 INCHES NOMINAL IN. 6 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.