The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-377-7463, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-377-7463 |
| Primary Part Number | F404403ES |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| Heat Control Type | THERMOSTAT |
| Element Connection Style | HERMETICALLY SEALED STUD |
| Element Radiation Spectrum | NONINFRARED |
| Heat Quantity | 1 |
| Length | 24.000 INCHES NOMINAL IN |
| Thread Series Designator | UNF STUD |
| Element Quantity | 3 |
| Material | COPPER SHEATH |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Nominal Thread Size | 0.250 INCHES STUD IN |
| Thread Quantity | 28 PER INCH STUD |
| Maximum Wattage Rating in Watts | 30000.0 SINGLE VOLTAGE |
| Phase | THREE SINGLE VOLTAGE |
| Body Style | TUBULAR, FLANGED, W/TERMINALS |
| Hole or Slot Quantity | 6 |
| Flange Diameter | 6.000 INCHES NOMINAL IN |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL IN |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Thermostat Range | +20.0 TO 240.0 FAHRENHEIT DEGF |
| Effective Heating Length | 24.000 INCHES NOMINAL IN |
| Flange Thickness | 0.375 INCHES NOMINAL IN |
| Terminal Quantity | 2 |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| F404403ES PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| 17746 | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| 17746 REV J ITEM 38 | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| F404403ES | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
NSN 4520-01-377-7463 is a Heating Element,electrical,immer, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-377-7463 has 4 cross-referenced part numbers: F404403ES (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17746 (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17746 REV J ITEM 38 (The Electric Heater Co Dba Hubbell Electric Heater Co.), F404403ES (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
There are 9 known substitutes for 4520-01-377-7463: 5330-00-171-6575, 3110-00-338-2272, 5331-00-349-8358 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for F404403ES: Heat Control Type: THERMOSTAT; Element Connection Style: HERMETICALLY SEALED STUD; Element Radiation Spectrum: NONINFRARED; Heat Quantity: 1. 27 total characteristics are documented in the Federal Logistics Information System.