The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-587-9429, 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 Alfa Laval Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4420-01-587-9429 |
| Primary Part Number | 395080-8563 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Alfa Laval Inc |
| 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 |
|---|---|
| 395080-8563 PRIMARY | Alfa Laval Inc (USA) |
| 331-8417740 ITEM 25 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8417740 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4420-01-587-9429 is a Core Assembly,fluid Cooler, manufactured by Alfa Laval Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-587-9429 has 2 manufacturer part numbers on file: 395080-8563 (Alfa Laval Inc), 331-8417740 ITEM 25 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-587-9748, 4420-01-587-9751, 5330-01-587-9757. Verify interchangeability with system specifications before substitution.
Key specifications for 395080-8563: Part Name Assigned by Controlling Agency: END CASSETTE 1, 0.6MM, HT MM; End Item Identification: HEAT EXCHANGER M10-BWFD-N. 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.