PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1522941Heating Element,electrical,nonim

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4520-00-555-0468 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-555-0468 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-555-0468. Primary manufacturer part number: 1522941.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Voltage in Volts and Current Type: 118.0 AC SINGLE VOLTAGE
  • Phase: THREE SINGLE VOLTAGE
  • Element Quantity: 1
  • Minimum Clearance Distance: 7.500 INCHES NOMINAL IN
  • Maximum Wattage Rating in Watts: 106.0 SINGLE VOLTAGE
  • Nominal Thread Size: 0.375 INCHES MOUNTING FACILITY IN
  • Watt Density Rating: 50.0 PER SQUARE INCH SINGLE VOLTAGE
Applications
  • Applications requiring Chromium and Nickel Resistance Wire construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-555-0468, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-555-0468
Primary Part Number1522941
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Voltage in Volts and Current Type118.0 AC SINGLE VOLTAGE
PhaseTHREE SINGLE VOLTAGE
Element Quantity1
Minimum Clearance Distance7.500 INCHES NOMINAL IN
Maximum Wattage Rating in Watts106.0 SINGLE VOLTAGE
Nominal Thread Size0.375 INCHES MOUNTING FACILITY IN
Watt Density Rating50.0 PER SQUARE INCH SINGLE VOLTAGE
MaterialCHROMIUM AND NICKEL RESISTANCE WIRE
Terminal Length0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Element Connection StyleSTUD TYPE
Mounting Facility Length1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Thread Quantity32.0 PER INCH STUD
Heat Quantity1
Nominal Thread Size0.168 INCHES STUD IN
Body StyleTUBULAR, SINGLE COIL, DOUBLE TERMINALS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD
Terminal Quantity2
Mounting Method StyleSTUD TYPE MOUNTING FACILITY
Frequency in Hertz60.0
Element Radiation SpectrumNONINFRARED
Thread Series DesignatorNPS MOUNTING FACILITY
Thread Quantity18.0 PER INCH MOUNTING FACILITY
MaterialSTEEL CORROSION RESISTING SHEATH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-223-5620 INTERCHANGEABLE
Staple
4520-00-555-04611522940 INTERCHANGEABLE
Heating Element,electrical,nonim
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-00-627-25091769-1007P1 INTERCHANGEABLE
Coupling,fle,ible
Raytheon Co Equipment Development Lab
Cross-Reference Index
Part NumberManufacturer
1522941 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
TYPET Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
5315-00-223-5620INTERCHANGEABLE
STAPLE
4520-00-555-0461INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
1522940
5975-00-627-2509INTERCHANGEABLE
COUPLING,FLE,IBLE
1769-1007P1

Frequently Asked Questions

What is NSN 4520-00-555-0468?

NSN 4520-00-555-0468 is a Heating Element,electrical,nonim, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-555-0468?

NSN 4520-00-555-0468 has 2 cross-referenced part numbers: 1522941 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), TYPET (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-00-555-0468?

There are 3 known substitutes for 4520-00-555-0468: 5315-00-223-5620, 4520-00-555-0461, 5975-00-627-2509. Verify interchangeability with system specifications before substitution.

What are the specifications of 1522941?

Key specifications for 1522941: Voltage in Volts and Current Type: 118.0 AC SINGLE VOLTAGE; Phase: THREE SINGLE VOLTAGE; Element Quantity: 1; Minimum Clearance Distance: 7.500 INCHES NOMINAL IN. 23 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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