PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50446Heating Element,electrical,nonim

Indeeco Llc Dba Indeeco · NSN 4520-01-331-6567 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-331-6567 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-331-6567. Primary manufacturer part number: 50446.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Mounting Facility Width: 1.625 INCHES NOMINAL IN
  • Heat Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.312 INCHES NOMINAL IN
  • Length: 30.000 INCHES NOMINAL IN
  • Thread Series Designator: UNF STUD
  • Frequency in Hertz: 60.0
  • Phase: THREE SINGLE VOLTAGE
Applications
  • Applications requiring Steel Comp 304 Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-331-6567, 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
NSN4520-01-331-6567
Primary Part Number50446
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerIndeeco Llc Dba Indeeco
StatusACTIVE
Mounting Facility Width1.625 INCHES NOMINAL IN
Heat Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL IN
Length30.000 INCHES NOMINAL IN
Thread Series DesignatorUNF STUD
Frequency in Hertz60.0
PhaseTHREE SINGLE VOLTAGE
MaterialSTEEL COMP 304 SHEATH
Terminal Quantity2
Hole or Slot Quantity4
Element Quantity1
Nominal Thread Size0.190 INCHES STUD IN
Effective Heating Length13.875 INCHES NOMINAL IN
Element Connection StyleSTUD TYPE
Element Radiation SpectrumNONINFRARED
Thread Quantity32 PER INCH STUD
Center to Center Distance Between Mounting Facilities Parallel to Length4.188 INCHES NOMINAL IN
Body StyleFINNED, TUBULAR, U SHAPED
Mounting Facility Length4.500 INCHES NOMINAL IN
Voltage in Volts and Current Type260.0 AC SINGLE VOLTAGE
Mounting Method StyleFLANGE TYPE MOUNTING FACILITY
Maximum Wattage Rating in Watts417.0 SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-027-9154 INTERCHANGEABLE
Angle,structural
1005-00-441-7725 INTERCHANGEABLE
Washer,shotgun
1005-00-602-1925 INTERCHANGEABLE
Plate,side
5950-00-835-17932105203 INTERCHANGEABLE
Reactor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-956-9363 INTERCHANGEABLE
Gasket
3110-01-141-619950446 INTERCHANGEABLE
Bearing,ball,annular
Ingersoll-Rand Co Material Handling Div
4240-01-251-1575S4530 INTERCHANGEABLE
Respirator,air Filtering
Square D Co Monroe Plant
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
Cross-Reference Index
Part NumberManufacturer
50446 PRIMARY Indeeco Llc Dba Indeeco (USA)
A21000:A00621 Indeeco Llc Dba Indeeco (USA)
Related Parts
9540-00-027-9154INTERCHANGEABLE
ANGLE,STRUCTURAL
1005-00-441-7725INTERCHANGEABLE
WASHER,SHOTGUN
1005-00-602-1925INTERCHANGEABLE
PLATE,SIDE
5950-00-835-1793INTERCHANGEABLE
REACTOR
2105203
5330-00-956-9363INTERCHANGEABLE
GASKET
3110-01-141-6199INTERCHANGEABLE
BEARING,BALL,ANNULAR
50446
4240-01-251-1575INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
S4530
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
4520-01-331-6569INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50450
4520-01-331-6577INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50461

Frequently Asked Questions

What is NSN 4520-01-331-6567?

NSN 4520-01-331-6567 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 4520-01-331-6567?

NSN 4520-01-331-6567 has 2 cross-referenced part numbers: 50446 (Indeeco Llc Dba Indeeco), A21000:A00621 (Indeeco Llc Dba Indeeco).

What NSN replaces 4520-01-331-6567?

There are 12 known substitutes for 4520-01-331-6567: 9540-00-027-9154, 1005-00-441-7725, 1005-00-602-1925 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50446?

Key specifications for 50446: Mounting Facility Width: 1.625 INCHES NOMINAL IN; Heat Quantity: 1; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.312 INCHES NOMINAL IN; Overall Length: 32.125 INCHES NOMINAL IN. 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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