The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-291-1851, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-291-1851 |
| Primary Part Number | 4 141 08 132 001 |
| 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 |
|---|---|
| 5 036 08 132 001 PC 2 | Fluid Handling Llc (USA) |
| 4 141 08 132 001 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5 036 08 132 001 PC 2 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 4 141 08 132 001 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
NSN 4420-01-291-1851 is a Core Assembly,fluid Cooler, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-291-1851 has 2 manufacturer part numbers on file: 5 036 08 132 001 PC 2 (Fluid Handling Llc), 4 141 08 132 001 (Fluid Handling Llc).
Key specifications for 4 141 08 132 001: End Item Identification: COOLER FD. 0 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.