The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-322-2141, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4420-01-322-2141 |
| Primary Part Number | 6309908-132 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Style Designator | FINNED COILED TUBE |
| Tube Quantity | 2 |
| Tubing Outside Diameter | 5.000 INCHES NOMINAL INNER TUBE INLET END IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 6309908-132 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 6309908-132 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6309908 | D/9 Drawing number reference only Naval Sea Systems Command |
| 11282704 | 5/9 Secondary reference U.S. Government activity |
| 11282704 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 11282704 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4420-01-322-2141 is a Core Assembly,fluid Cooler, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-322-2141 has 2 manufacturer part numbers on file: 6309908-132 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 6309908-132 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-330-8116, 4820-01-339-6641. Verify interchangeability with system specifications before substitution.
Key specifications for 6309908-132: Style Designator: FINNED COILED TUBE; Tube Quantity: 2; Tubing Outside Diameter: 5.000 INCHES NOMINAL INNER TUBE INLET END IN; Special Features: SUPPORTS 1ST AND 2ND STAGE SEPARATOR. 4 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.