The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-134-8651, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-134-8651 |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Length | 17.000 INCHES NOMINAL IN |
| Effective Heat Transfer Surface Area | 35.0 SQUARE FEET |
| Connection Type | THREADED INTERNAL PIPE HEATED FLUID INLET |
| Connection Type | FLANGED PIPE STEAM INLET |
| Connection Type | THREADED INTERNAL PIPE HEATED FLUID OUTLET |
| Style Designator | COILED PLAIN TYPE |
| Material Document and Classification | ASTM B-152,TYPE ETP ASSN STD ALL MATERIAL RESPONSES AND SB-62 MFR REF ALL MATERIAL RESPONSES HOUSING |
| Material Document and Classification | SA 414 ASSN STD ALL MATERIAL RESPONSES OR SA 285 CLASS C ASSN STD ALL MATERIAL RESPONSES SHELL |
| Material Document and Classification | SB-111 MFR REF ALL MATERIAL RESPONSES TUBES |
| Diameter | 17.000 INCHES NOMINAL IN |
| Tube Quantity | 7 |
| Tube Attachment Method | BRAZED BOTH ENDS |
| Connection Nominal Diameter | 1.250 INCHES HEATED FLUID INLET IN |
| Connection Nominal Diameter | 2.000 INCHES STEAM INLET IN |
| Connection Nominal Diameter | 2.500 INCHES HEATED FLUID OUTLET IN |
| Height | 68.375 INCHES NOMINAL IN |
| Maximum Steam Working Pressure | ERR-060 |
| Material | STEEL SHELL |
| Material | COPPER ALLOY TUBES |
| Material | COPPER ALLOY 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 |
|---|---|
| SW1B07-110421 | 3/2 Design control — primary reference U.S. Government activity |
| SD-A-0160220SW1B07 | 5/9 Secondary reference U.S. Government activity |
NSN 4420-01-134-8651 is a Heater,fluid,industrial, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
Key specifications for 4420-01-134-8651: Heat Transfer Method: INDIRECT; Length: 17.000 INCHES NOMINAL IN; Effective Heat Transfer Surface Area: 35.0 SQUARE FEET; Connection Type: THREADED INTERNAL PIPE HEATED FLUID INLET. 21 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.