PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50445Heating Element,electrical,nonim

Indeeco Llc Dba Indeeco · NSN 4520-01-331-6566 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-331-6566 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-331-6566. Primary manufacturer part number: 50445.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Body Style: FINNED, TUBULAR, U SHAPED
  • Element Radiation Spectrum: NONINFRARED
  • Material: STEEL COMP 304 SHEATH
  • Watt Density Rating: 22.125 PER SQUARE INCH SINGLE VOLTAGE
  • Element Quantity: 1
  • Thread Series Designator: UNF STUD
  • Frequency in Hertz: 60.0
Applications
  • Applications requiring Steel Comp 304 Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-331-6566, 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 Indeeco Llc Dba Indeeco. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-331-6566
Primary Part Number50445
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerIndeeco Llc Dba Indeeco
StatusACTIVE
Body StyleFINNED, TUBULAR, U SHAPED
Element Radiation SpectrumNONINFRARED
MaterialSTEEL COMP 304 SHEATH
Watt Density Rating22.125 PER SQUARE INCH SINGLE VOLTAGE
Element Quantity1
Thread Series DesignatorUNF STUD
Frequency in Hertz60.0
Nominal Thread Size0.190 INCHES STUD IN
Voltage in Volts and Current Type260.0 AC SINGLE VOLTAGE
Maximum Wattage Rating in Watts363.0 SINGLE VOLTAGE
PhaseTHREE SINGLE VOLTAGE
Thread Quantity32 PER INCH STUD
Center to Center Distance Between Mounting Facilities Parallel to Length4.187 INCHES NOMINAL IN
Element Connection StyleSTUD TYPE
Mounting Facility Length4.500 INCHES NOMINAL IN
Length12.000 INCHES NOMINAL IN
Mounting Method StyleFLANGE TYPE MOUNTING FACILITY
Hole or Slot Quantity4
Effective Heating Length11.000 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL IN
Heat Quantity1
Terminal Quantity2
Mounting Facility Width1.625 INCHES NOMINAL IN
Terminal Length1.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-383-3187 INTERCHANGEABLE
Spring,helical,compression
3120-00-771-6618 INTERCHANGEABLE
Bearing,washer,thrust
5120-01-004-168750445 INTERCHANGEABLE
Removal Tool
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
2930-01-044-90638445 INTERCHANGEABLE
Pump,coolant,engine
Elgin Industries Inc. Dba
4240-01-251-1574 INTERCHANGEABLE
Respirator,air Filtering
4520-01-331-656450443 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
4520-01-331-656550444 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
4520-01-331-656750446 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
4520-01-331-656950450 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
4520-01-331-657750461 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
A21000:A00621 Indeeco Llc Dba Indeeco (USA)
50445 PRIMARY Indeeco Llc Dba Indeeco (USA)
Related Parts
5360-00-383-3187INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3120-00-771-6618INTERCHANGEABLE
BEARING,WASHER,THRUST
5120-01-004-1687INTERCHANGEABLE
REMOVAL TOOL
50445
2930-01-044-9063INTERCHANGEABLE
PUMP,COOLANT,ENGINE
8445
4240-01-251-1574INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
4520-01-331-6564INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50443
4520-01-331-6565INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50444
4520-01-331-6567INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50446
4520-01-331-6569INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50450
4520-01-331-6577INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50461
4520-01-331-6578INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50462
4520-01-331-6579INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50463

Frequently Asked Questions

What is NSN 4520-01-331-6566?

NSN 4520-01-331-6566 is a Heating Element,electrical,nonim, manufactured by Indeeco Llc Dba Indeeco, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-331-6566?

NSN 4520-01-331-6566 has 2 cross-referenced part numbers: A21000:A00621 (Indeeco Llc Dba Indeeco), 50445 (Indeeco Llc Dba Indeeco).

What NSN replaces 4520-01-331-6566?

There are 12 known substitutes for 4520-01-331-6566: 5360-00-383-3187, 3120-00-771-6618, 5120-01-004-1687 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50445?

Key specifications for 50445: Body Style: FINNED, TUBULAR, U SHAPED; Element Radiation Spectrum: NONINFRARED; End Item Identification: INDEECO TAG NO. HV SAO4002 STAGE 1; Material: STEEL COMP 304 SHEATH. 27 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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