PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F184403ESHeating Element,electrical,immer

The Electric Heater Co Dba Hubbell Electric Heater Co. · NSN 4520-01-416-4601 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-416-4601 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-416-4601. Primary manufacturer part number: F184403ES.
Features
  • Heating Element,electrical,immer — FSC 4520
  • Phase: THREE SINGLE VOLTAGE
  • Terminal Length: 2.125 INCHES NOMINAL IN
  • Body Style: TUBULAR, FLANGED, W/TERMINALS
  • Length: 12.000 INCHES NOMINAL IN
  • Element Quantity: 2
  • Frequency in Hertz: 60.0
  • Element Radiation Spectrum: NONINFRARED
Applications
  • Applications requiring Copper Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-416-4601, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-416-4601
Primary Part NumberF184403ES
Item NameHeating Element,electrical,immer
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerThe Electric Heater Co Dba Hubbell Electric Heater Co.
StatusACTIVE
PhaseTHREE SINGLE VOLTAGE
Terminal Length2.125 INCHES NOMINAL IN
Body StyleTUBULAR, FLANGED, W/TERMINALS
Length12.000 INCHES NOMINAL IN
Element Quantity2
Frequency in Hertz60.0
Element Radiation SpectrumNONINFRARED
Maximum Wattage Rating in Watts18000.0 SINGLE VOLTAGE
Element Connection StyleHERMETICALLY SEALED STUD
Voltage in Volts and Current Type4440.0 AC SINGLE VOLTAGE
Heat Quantity3
Terminal Quantity3
MaterialCOPPER SHEATH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-393-641717747 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
2530-00-589-8604F17508 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4720-01-051-832017747C0204CC INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
6150-01-249-313001-1027 INTERCHANGEABLE
Cable Assembly,power,electrical
Huntron Inc
4520-01-317-543717747 INTERCHANGEABLE
Heater,water,electric
The Electric Heater Co Dba Hubbell Electric Heater Co.
5330-01-558-607117747-33 INTERCHANGEABLE
Gasket
The Electric Heater Co Dba Hubbell Electric Heater Co.
4520-01-647-083817747 20KW 26 AMPS INTERCHANGEABLE
Heater,water,electric
The Electric Heater Co Dba Hubbell Electric Heater Co.
Cross-Reference Index
Part NumberManufacturer
F184403ES Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
17747 REV H PC 38 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
17747 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
F184403ES PRIMARY The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
044239004 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
F184403ES Hubbell Electric Heater Co (USA)
Related Parts
5330-00-393-6417INTERCHANGEABLE
GASKET
17747
2530-00-589-8604INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F17508
4720-01-051-8320INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
17747C0204CC
6150-01-249-3130INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
01-1027
4520-01-317-5437INTERCHANGEABLE
HEATER,WATER,ELECTRIC
17747
5330-01-558-6071INTERCHANGEABLE
GASKET
17747-33
4520-01-647-0838INTERCHANGEABLE
HEATER,WATER,ELECTRIC
17747 20KW 26 AMPS

Frequently Asked Questions

What is NSN 4520-01-416-4601?

NSN 4520-01-416-4601 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.

What are the part numbers for NSN 4520-01-416-4601?

NSN 4520-01-416-4601 has 6 cross-referenced part numbers: F184403ES (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 17747 REV H PC 38 (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17747 (The Electric Heater Co Dba Hubbell Electric Heater Co.), F184403ES (The Electric Heater Co Dba Hubbell Electric Heater Co.), 044239004 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc) and 1 more.

What NSN replaces 4520-01-416-4601?

There are 7 known substitutes for 4520-01-416-4601: 5330-00-393-6417, 2530-00-589-8604, 4720-01-051-8320 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F184403ES?

Key specifications for F184403ES: Phase: THREE SINGLE VOLTAGE; Terminal Length: 2.125 INCHES NOMINAL IN; Body Style: TUBULAR, FLANGED, W/TERMINALS; End Item Identification: NAVY WEAPON SYSTEM JD;ARLEIGH BURKE CLASS. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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