The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-338-9728, 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 Fluid Handling Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-338-9728 |
| Primary Part Number | 5-036-05-072-00 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 80.750 INCHES NOMINAL IN |
| Style Designator | RIGHT HAND TUBE DISCHARGE |
| Diameter | 8.375 INCHES NOMINAL IN |
| Tube Quantity | 64 |
| Tube Attachment Method | EXPANDED BOTH ENDS |
| Tubing Outside Diameter | 0.375 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN |
| Height | 8.875 INCHES NOMINAL IN |
| Material | COPPER ALLOY TUBES |
| Material | COPPER ALLOY TUBE SHEET |
| 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 |
|---|---|
| 5-036-05-072-00 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-036-05-072-00 | C/1 Advisory reference — outside the item-of-supply concept Itt Corporation Dba Itt Standard |
| 503605072001 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
| 5R8188 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 503605072001 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
NSN 4420-01-338-9728 is a Cooler,fluid,industrial, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-338-9728 has 1 manufacturer part number on file: 5-036-05-072-00 (Fluid Handling Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-343-0355, 4420-01-343-2484. Verify interchangeability with system specifications before substitution.
Key specifications for 5-036-05-072-00: Heat Transfer Method: INDIRECT; Length: 80.750 INCHES NOMINAL IN; Style Designator: RIGHT HAND TUBE DISCHARGE; Diameter: 8.375 INCHES NOMINAL IN. 10 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.