PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50461Heating Element,electrical,nonim

Indeeco Llc Dba Indeeco · NSN 4520-01-331-6577 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-331-6577 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-331-6577. Primary manufacturer part number: 50461.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Element Quantity: 1
  • Thread Quantity: 32.0 PER INCH STUD
  • Effective Heating Length: 38.870 INCHES NOMINAL IN
  • Length: 40.000 INCHES NOMINAL IN
  • Phase: THREE SINGLE VOLTAGE
  • Material: STEEL COMP 304 SHEATH
  • Thread Series Designator: UNF STUD
Applications
  • Applications requiring Steel Comp 304 Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-331-6577, 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 22 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
NSN4520-01-331-6577
Primary Part Number50461
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerIndeeco Llc Dba Indeeco
StatusACTIVE
Element Quantity1
Thread Quantity32.0 PER INCH STUD
Effective Heating Length38.870 INCHES NOMINAL IN
Length40.000 INCHES NOMINAL IN
PhaseTHREE SINGLE VOLTAGE
MaterialSTEEL COMP 304 SHEATH
Thread Series DesignatorUNF STUD
Frequency in Hertz60.0
Element Connection StyleSTUD TYPE
Terminal Quantity2
Mounting Method StyleFLANGE TYPE MOUNTING FACILITY
Hole or Slot Quantity4
Center to Center Distance Between Mounting Facilities Parallel to Length4.188 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Nominal Thread Size0.190 INCHES STUD IN
Mounting Facility Length4.500 INCHES NOMINAL IN
Maximum Wattage Rating in Watts394.0 SINGLE VOLTAGE
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL IN
Voltage in Volts and Current Type260.0 AC SINGLE VOLTAGE
Heat Quantity1
Body StyleFINNED, TUBULAR, U SHAPED
Mounting Facility Width1.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-161-4098 INTERCHANGEABLE
Valve,linear,directional Control
4530-00-248-0535L-03-04-0007 INTERCHANGEABLE
Cable,ignition
Todd Combustion Inc
5330-00-935-2045 INTERCHANGEABLE
Seal,plain Encased
5310-01-017-86675046-1 INTERCHANGEABLE
Washer,key
L3harris Technologies, Inc. Div Space and Airborne Systems
3040-01-068-764754725 INTERCHANGEABLE
Plate,brake
Paccar Winch Inc Dba Paccar Winch Division
2530-01-112-0170 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
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
4520-01-331-656650445 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
4520-01-331-656750446 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
50461 PRIMARY Indeeco Llc Dba Indeeco (USA)
A21000:A00621 Indeeco Llc Dba Indeeco (USA)
Related Parts
4820-00-161-4098INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4530-00-248-0535INTERCHANGEABLE
CABLE,IGNITION
L-03-04-0007
5330-00-935-2045INTERCHANGEABLE
SEAL,PLAIN ENCASED
5310-01-017-8667INTERCHANGEABLE
WASHER,KEY
5046-1
3040-01-068-7647INTERCHANGEABLE
PLATE,BRAKE
54725
2530-01-112-0170INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
4520-01-331-6564INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50443
4520-01-331-6565INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50444
4520-01-331-6566INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50445
4520-01-331-6567INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50446
4520-01-331-6569INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50450
4520-01-331-6578INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50462

Frequently Asked Questions

What is NSN 4520-01-331-6577?

NSN 4520-01-331-6577 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 4520-01-331-6577?

NSN 4520-01-331-6577 has 2 cross-referenced part numbers: 50461 (Indeeco Llc Dba Indeeco), A21000:A00621 (Indeeco Llc Dba Indeeco).

What NSN replaces 4520-01-331-6577?

There are 12 known substitutes for 4520-01-331-6577: 4820-00-161-4098, 4530-00-248-0535, 5330-00-935-2045 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50461?

Key specifications for 50461: Element Quantity: 1; Thread Quantity: 32.0 PER INCH STUD; Effective Heating Length: 38.870 INCHES NOMINAL IN; End Item Identification: INDEECO TAG NO. HV SAO4010 STAGE 2. 25 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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