PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

323630PC1Heating Element,electrical,nonim

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4520-00-174-4585 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-174-4585 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-174-4585. Primary manufacturer part number: 323630PC1.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Terminal Length: 0.563 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 4.500 INCHES NOMINAL IN
  • Material: MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
  • Hole or Slot Quantity: 2
  • Phase: SINGLE SINGLE VOLTAGE
  • Material: NICKEL AND CHROMIUM RESISTANCE WIRE
  • Element Connection Style: STUD TYPE
Applications
  • Applications requiring Magnesium Oxide Resistance Wire Embedding/support Insulation construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-174-4585, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-174-4585
Primary Part Number323630PC1
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Terminal Length0.563 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width4.500 INCHES NOMINAL IN
MaterialMAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
Hole or Slot Quantity2
PhaseSINGLE SINGLE VOLTAGE
MaterialNICKEL AND CHROMIUM RESISTANCE WIRE
Element Connection StyleSTUD TYPE
Body StyleSTRIP ELEMENT
Terminal Quantity2
Element Radiation SpectrumNONINFRARED
Thread Series DesignatorUNF STUD
Mounting Facility Length0.500 INCHES NOMINAL IN
Heat Quantity1
Mounting Facility Width0.313 INCHES NOMINAL IN
Element Quantity1
Length4.000 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES STUD IN
Terminal Arrangement StylePARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN
Watt Density Rating14.0 PER SQUARE INCH SINGLE VOLTAGE
Width1.500 INCHES NOMINAL IN
Thread Quantity32.0 PER INCH STUD
Maximum Wattage Rating in Watts125.0 SINGLE VOLTAGE
Mounting Method StyleSLOT OR HOLE TYPE MOUNTING FACILITY
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE VOLTAGE
MaterialIRON SHEATH
Voltage in Volts and Current Type120.0 AC SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
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
4520-01-228-7647131959 INTERCHANGEABLE
Heating Element,electrical,nonim
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Cross-Reference Index
Part NumberManufacturer
323630PC1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
PT512 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
PT512-115V125W Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
048892001 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
1414335 Zf Industrieantriebe Witten Gmbh (DEU)
16H4010-280 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
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
4520-01-228-7647INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
131959

Frequently Asked Questions

What is NSN 4520-00-174-4585?

NSN 4520-00-174-4585 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: cancelled.

What are the part numbers for NSN 4520-00-174-4585?

NSN 4520-00-174-4585 has 6 cross-referenced part numbers: 323630PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), PT512 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), PT512-115V125W (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 048892001 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 1414335 (Zf Industrieantriebe Witten Gmbh) and 1 more.

What NSN replaces 4520-00-174-4585?

There are 4 known substitutes for 4520-00-174-4585: 4520-00-779-2505, 2940-00-922-2050, 4520-01-218-6559 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 323630PC1?

Key specifications for 323630PC1: Terminal Length: 0.563 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 4.500 INCHES NOMINAL IN; Material: MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION; Hole or Slot Quantity: 2. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-174-4585 still in active supply?

NSN 4520-00-174-4585 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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