The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-275-9186, 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 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-275-9186 |
| Primary Part Number | 9363B |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Tube Quantity | 48 |
| Tube Attachment Method | WELDED BOTH ENDS |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| BBDL1003A | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 9363B PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 9363B | 5/9 Secondary reference U.S. Government activity |
| 9363B | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| BBDL1003A | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 9363B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4420-01-275-9186 is a Core Assembly,fluid Cooler, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-275-9186 has 2 manufacturer part numbers on file: BBDL1003A (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 9363B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for 9363B: Tube Quantity: 48; Tube Attachment Method: WELDED BOTH ENDS; Material: COPPER ALLOY OVERALL. 3 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.