The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-234-0074, 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. Government technical data includes 10 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-234-0074 |
| Primary Part Number | 414219060-007 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Style Designator | STRAIGHT PLAIN TUBE, CYLINDRICAL |
| Material Document and Classification | MIL-C-15730,TYPE A,CLASS 2 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Core Diameter | 24.125 INCHES NOMINAL IN |
| Tube Quantity | 483 |
| Core Length | 59.875 INCHES NOMINAL IN |
| Tubing Outside Diameter | 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | BRASS SHELL |
| Material | COPPER ALLOY TUBES |
| Material | COPPER ALLOY TUBE SHEET |
| 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 |
|---|---|
| 414219060-007 PRIMARY | Fluid Handling Llc (USA) |
| 4M1960A3 PIECE 3 | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 414219060-007 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 4M1960B2 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
| 1711367 PIECE 6 | 5/2 Secondary reference U.S. Government activity |
| 4M1960A3 PIECE 3 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 3326158 | D/9 Drawing number reference only U.S. Government activity |
| 1711367 | D/9 Drawing number reference only U.S. Government activity |
| 3326158 PIECE 3 | 5/2 Secondary reference U.S. Government activity |
NSN 4420-01-234-0074 is a Core Assembly,fluid Cooler, manufactured by Fluid Handling Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-234-0074 has 2 manufacturer part numbers on file: 414219060-007 (Fluid Handling Llc), 4M1960A3 PIECE 3 (Fluid Handling Llc).
Key specifications for 414219060-007: Heat Transfer Method: INDIRECT; Style Designator: STRAIGHT PLAIN TUBE, CYLINDRICAL; Material Document and Classification: MIL-C-15730,TYPE A,CLASS 2 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Core Diameter: 24.125 INCHES NOMINAL IN. 10 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.