The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-339-2248, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Fluid Handling Llc (CAGE 6LE50) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-339-2248 |
| Primary Part Number | 5-131-06-045-001 PC 2 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 4-282-06-045-001 | Fluid Handling Llc (USA) |
| 5-131-06-045-001 PC 2 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-131-06-045-001 | D/9 Drawing number reference only Itt Corporation Dba Itt Standard |
| 5-131-06-045-001 PC 2 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
| 4-282-06-045-001 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 4420-01-339-2248 is a Core Assembly,fluid Cooler, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-339-2248 has 2 manufacturer part numbers on file: 4-282-06-045-001 (Fluid Handling Llc), 5-131-06-045-001 PC 2 (Fluid Handling Llc).
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.