PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-302-440V-3PHHeating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-297-0123 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-297-0123 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-297-0123. Primary manufacturer part number: C-302-440V-3PH.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Watt Density Rating: 34.0 PER SQUARE INCH SINGLE VOLTAGE
  • Body Style: TUBULAR, PLAIN
  • Element Radiation Spectrum: NONINFRARED
  • Frequency in Hertz: 60.0
  • Phase: SINGLE SINGLE VOLTAGE
  • Maximum Wattage Rating in Watts: 100.0 SINGLE VOLTAGE
  • Length: 2.375 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 304 Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-297-0123, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-297-0123
Primary Part NumberC-302-440V-3PH
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Watt Density Rating34.0 PER SQUARE INCH SINGLE VOLTAGE
Body StyleTUBULAR, PLAIN
Element Radiation SpectrumNONINFRARED
Frequency in Hertz60.0
PhaseSINGLE SINGLE VOLTAGE
Maximum Wattage Rating in Watts100.0 SINGLE VOLTAGE
Length2.375 INCHES NOMINAL IN
Element Quantity1
MaterialSTEEL COMP 304 SHEATH
Voltage in Volts and Current Type440.0 AC SINGLE VOLTAGE
Case Diameter0.498 INCHES NOMINAL IN
Element Connection StyleWIRE LEAD
Heat Quantity1
Outside Diameter0.500 INCHES NOMINAL IN
Terminal Quantity3
Effective Heating Length2.375 INCHES NOMINAL IN
Terminal Length10.000 INCHES NOMINAL IN
Mounting Method StyleFRICTION TYPE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-028-3324F3641 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
2530-00-493-7145129300053 INTERCHANGEABLE
Chamber,air Brake
Haldex Brake Products Corporation
2940-00-505-671051081 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
1620-00-656-6791C302 INTERCHANGEABLE
Parts Kit,hyd Valve
Moog Military Aircraft Llc
5905-01-060-0095 INTERCHANGEABLE
Resistor,fixed,film
5305-01-276-7372C515 INTERCHANGEABLE
Setscrew
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
C-302 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
C-302-440V-3PH PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
C-515 Vulcan Electric Co Div Vulcan Electric Company (USA)
C-515-440V-3PH PRIMARY Vulcan Electric Co Div Vulcan Electric Company (USA)
Related Parts
2530-00-028-3324INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
F3641
2530-00-493-7145INTERCHANGEABLE
CHAMBER,AIR BRAKE
129300053
2940-00-505-6710INTERCHANGEABLE
FILTER ELEMENT,FLUID
51081
1620-00-656-6791INTERCHANGEABLE
PARTS KIT,HYD VALVE
C302
5905-01-060-0095INTERCHANGEABLE
RESISTOR,FIXED,FILM
5305-01-276-7372INTERCHANGEABLE
SETSCREW
C515

Frequently Asked Questions

What is NSN 4520-01-297-0123?

NSN 4520-01-297-0123 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 4520-01-297-0123?

NSN 4520-01-297-0123 has 4 cross-referenced part numbers: C-302 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), C-302-440V-3PH (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), C-515 (Vulcan Electric Co Div Vulcan Electric Company), C-515-440V-3PH (Vulcan Electric Co Div Vulcan Electric Company).

What NSN replaces 4520-01-297-0123?

There are 6 known substitutes for 4520-01-297-0123: 2530-00-028-3324, 2530-00-493-7145, 2940-00-505-6710 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-302-440V-3PH?

Key specifications for C-302-440V-3PH: Watt Density Rating: 34.0 PER SQUARE INCH SINGLE VOLTAGE; Body Style: TUBULAR, PLAIN; Element Radiation Spectrum: NONINFRARED; Frequency in Hertz: 60.0. 18 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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