PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131959Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-228-7647 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-228-7647 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-228-7647. Primary manufacturer part number: 131959.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Effective Heating Length: 4.000 INCHES NOMINAL IN
  • Mounting Facility Length: 0.500 INCHES NOMINAL IN
  • Heat Quantity: 1
  • Phase: SINGLE SINGLE VOLTAGE
  • Nominal Thread Size: 0.190 INCHES STUD IN
  • Element Quantity: 1
  • Watt Density Rating: 14.0 PER SQUARE INCH SINGLE VOLTAGE
Applications
  • Applications requiring Iron Rust Resisting Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-228-7647, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-228-7647
Primary Part Number131959
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Effective Heating Length4.000 INCHES NOMINAL IN
Mounting Facility Length0.500 INCHES NOMINAL IN
Heat Quantity1
PhaseSINGLE SINGLE VOLTAGE
Nominal Thread Size0.190 INCHES STUD IN
Element Quantity1
Watt Density Rating14.0 PER SQUARE INCH SINGLE VOLTAGE
MaterialIRON RUST RESISTING SHEATH
Maximum Wattage Rating in Watts125.0 SINGLE VOLTAGE
Length4.000 INCHES NOMINAL IN
Mounting Method StyleSLOT OR HOLE TYPE MOUNTING FACILITY
Mounting Facility Width0.312 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width4.500 INCHES NOMINAL IN
Element Connection StyleSTUD TYPE
Width1.500 INCHES NOMINAL IN
Terminal Quantity2
Terminal Length0.500 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Frequency in Hertz50.0 AND 60.0
Hole or Slot Quantity2
Terminal Arrangement StylePARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN
Body StyleSTRIP ELEMENT
Thread Quantity32.00 PER INCH STUD
Voltage in Volts and Current Type120.0 AC SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4520-00-174-4585 INTERCHANGEABLE
Heating Element,electrical,nonim
4520-00-779-2505P35880013 INTERCHANGEABLE
Heating Element,electrical,nonim
Entron Industries Limited Partnership Dba Entron Industries Property Div
2940-00-922-20508322064 INTERCHANGEABLE
Filter Element,fluid
Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
4520-01-218-65595493308 INTERCHANGEABLE
Heating Element,electrical,nonim
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
131959 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
422882-1 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
PT-512PCN131959 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
PT-512-120V Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
512 Zf Industrieantriebe Witten Gmbh (DEU)
PCN131959 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
PT-512 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
PL14341205-31 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
4520-00-174-4585INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-779-2505INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
P35880013
2940-00-922-2050INTERCHANGEABLE
FILTER ELEMENT,FLUID
8322064
4520-01-218-6559INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
5493308

Frequently Asked Questions

What is NSN 4520-01-228-7647?

NSN 4520-01-228-7647 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-228-7647?

NSN 4520-01-228-7647 has 8 cross-referenced part numbers: 131959 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 422882-1 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), PT-512PCN131959 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), PT-512-120V (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 512 (Zf Industrieantriebe Witten Gmbh) and 3 more.

What NSN replaces 4520-01-228-7647?

There are 4 known substitutes for 4520-01-228-7647: 4520-00-174-4585, 4520-00-779-2505, 2940-00-922-2050 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 131959?

Key specifications for 131959: Effective Heating Length: 4.000 INCHES NOMINAL IN; Overall Length: 5.500 INCHES NOMINAL IN; Mounting Facility Length: 0.500 INCHES NOMINAL IN; Heat Quantity: 1. 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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