The Core Assembly,fluid Heater,indus, cataloged under National Stock Number 4420-00-264-4589, 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 General Motors Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-00-264-4589 |
| Primary Part Number | 8522276 |
| Item Name | Core Assembly,fluid Heater,indus |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Effective Heat Transfer Surface Area | 3.0 SQUARE FEET |
| Core Height | 4.800 INCHES NOMINAL IN |
| Style Designator | STRAIGHT PLAIN TUBE, CYLINDRICAL |
| Material Document and Classification | MIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES |
| Core Diameter | 3.070 INCHES NOMINAL IN |
| Tube Quantity | 12 |
| Tube Attachment Method | BRAZED BOTH ENDS |
| Core Length | 8.872 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 |
|---|---|
| 8522276 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 8522276 | 3/9 Design control — primary reference General Motors Corp Harrison Radiator Div |
NSN 4420-00-264-4589 is a Core Assembly,fluid Heater,indus, manufactured by General Motors Corp, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-264-4589 has 1 manufacturer part number on file: 8522276 (General Motors Corp).
Key specifications for 8522276: Heat Transfer Method: INDIRECT; Effective Heat Transfer Surface Area: 3.0 SQUARE FEET; Core Height: 4.800 INCHES NOMINAL IN; Style Designator: STRAIGHT PLAIN TUBE, CYLINDRICAL. 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.