The Cooler,fluid,industrial, cataloged under National Stock Number 4420-00-554-9141, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4420-00-554-9141 |
| Primary Part Number | 123M1248A1 |
| Item Name | Cooler,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Effective Heat Transfer Surface Area | 122.0 SQUARE FEET |
| Tube Quantity | 66 |
| Tube Attachment Method | EXPANDED INLET-PACKED OUTLET |
| Tubing Outside Diameter | 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | COPPER ALLOY TUBES |
| Material | COPPER ALLOY 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 |
|---|---|
| 123M1248A1 | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 123M1248A1 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 123M1248A1 | 3/9 Design control — primary reference Howden Buffalo, Inc Div Howden Gyrol Fluid Drives |
NSN 4420-00-554-9141 is a Cooler,fluid,industrial, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-554-9141 has 1 manufacturer part number on file: 123M1248A1 (Fluid Handling Llc).
Key specifications for 123M1248A1: Heat Transfer Method: INDIRECT; Effective Heat Transfer Surface Area: 122.0 SQUARE FEET; Tube Quantity: 66; Tube Attachment Method: EXPANDED INLET-PACKED OUTLET. 7 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.