The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-361-5929, 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 Young Touchstone Company Div Young Touchstone. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-361-5929 |
| Primary Part Number | 323804 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Young Touchstone Company Div Young Touchstone |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Style Designator | STRAIGHT PLAIN TUBE, CYLINDRICAL |
| Core Diameter | 16.510 INCHES MINIMUM AND 16.520 INCHES MAXIMUM IN |
| Core Length | 45.688 INCHES NOMINAL IN |
| Material | COPPER ALLOY TUBES |
| 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 |
|---|---|
| D-324509 ITEM 1 | Young Touchstone Company Div Young Touchstone (USA) |
| 323804 PRIMARY | Young Touchstone Company Div Young Touchstone (USA) |
NSN 4420-01-361-5929 is a Core Assembly,fluid Cooler, manufactured by Young Touchstone Company Div Young Touchstone, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-361-5929 has 2 manufacturer part numbers on file: D-324509 ITEM 1 (Young Touchstone Company Div Young Touchstone), 323804 (Young Touchstone Company Div Young Touchstone).
Key specifications for 323804: Heat Transfer Method: INDIRECT; Style Designator: STRAIGHT PLAIN TUBE, CYLINDRICAL; Core Diameter: 16.510 INCHES MINIMUM AND 16.520 INCHES MAXIMUM IN; Core Length: 45.688 INCHES NOMINAL IN. 5 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.