The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-134-6771, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-134-6771 |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 75.375 INCHES NOMINAL IN |
| Effective Heat Transfer Surface Area | 50.0 SQUARE FEET |
| Style Designator | STRAIGHT PLAIN TUBE CYLINDRICAL |
| Diameter | 17.000 INCHES NOMINAL IN |
| Tube Quantity | 10 |
| Maximum Steam Working Pressure | ERR-060 |
| Material | COPPER TUBES |
| Material | STEEL HOUSING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SW1B10-110421 | 3/2 Design control — primary reference U.S. Government activity |
| SD-1-016-24 | D/9 Drawing number reference only U.S. Government activity |
| SD-A-016-24SW1B10-110421 | 5/9 Secondary reference U.S. Government activity |
NSN 4420-01-134-6771 is a Heater,fluid,industrial, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
Key specifications for 4420-01-134-6771: Heat Transfer Method: INDIRECT; Length: 75.375 INCHES NOMINAL IN; Effective Heat Transfer Surface Area: 50.0 SQUARE FEET; Style Designator: STRAIGHT PLAIN TUBE CYLINDRICAL. 9 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.