The Core Assembly,fluid Heater,indus, cataloged under National Stock Number 4420-01-201-1741, 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 Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4420-01-201-1741 |
| Primary Part Number | F-167-225 ASSY 500 |
| Item Name | Core Assembly,fluid Heater,indus |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Core Height | 38.500 INCHES NOMINAL IN |
| Style Designator | PLAIN "S" TUBE |
| Tube Quantity | 192 |
| Tubing Outside Diameter | 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | STEEL 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 |
|---|---|
| F-167-225 ASSY 500 PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| F-167-225 | D/9 Drawing number reference only Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
NSN 4420-01-201-1741 is a Core Assembly,fluid Heater,indus, manufactured by Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-201-1741 has 1 manufacturer part number on file: F-167-225 ASSY 500 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
Key specifications for F-167-225 ASSY 500: Heat Transfer Method: INDIRECT; Core Height: 38.500 INCHES NOMINAL IN; Style Designator: PLAIN "S" TUBE; Tube Quantity: 192. 6 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.