The Heating Element,electrical,immer, cataloged under National Stock Number 4520-00-965-6494, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-00-965-6494 |
| Primary Part Number | F104403ES |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| Flange Diameter | 3.500 INCHES NOMINAL IN |
| Phase | THREE SINGLE VOLTAGE |
| Terminal Quantity | 6 |
| Length | 19.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, FLANGED |
| Hole or Slot Quantity | 4 |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 10000.0 SINGLE VOLTAGE |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 1 |
| Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER SHEATH |
| Thread Series Designator | UNF STUD |
| Thread Quantity | 32.0 PER INCH STUD |
| Hole Diameter | 0.438 INCHES NOMINAL IN |
| Element Quantity | 3 |
| 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 |
|---|---|
| F104403ES PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| Reference | Meaning |
|---|---|
| 104403F | 5/9 Secondary reference The Electric Heater Co Dba Hubbell Electric Heater Co. |
NSN 4520-00-965-6494 is a Heating Element,electrical,immer, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-965-6494 has 1 manufacturer part number on file: F104403ES (The Electric Heater Co Dba Hubbell Electric Heater Co.).
Key specifications for F104403ES: Flange Diameter: 3.500 INCHES NOMINAL IN; Phase: THREE SINGLE VOLTAGE; Terminal Quantity: 6; Length: 19.000 INCHES NOMINAL IN. 20 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.