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137373 — HEATING ELEMENT,ELECTRICAL,NONIM

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

137373: HEATING ELEMENT,ELECTRICAL,NONIM.

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include material: STEEL CORROSION RESISTING SHEATH, overall_length: 3.250 INCHES NOMINAL IN, terminal_length: 10.000 INCHES NOMINAL IN, outside_diameter: 0.750 INCHES NOMINAL IN, watt_density_rating: 39.0 PER SQUARE INCH SINGLE VOLTAGE, mounting_method_style: TERMINAL MOUNTED. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-379-2134, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
137373
NSN: 4520-01-379-2134
FSC: 4520 — Space and Water Heating Equipment
CAGE: 65586 — CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SHEATH
overall_length3.250 INCHES NOMINAL IN
terminal_length10.000 INCHES NOMINAL IN
element_quantity1
outside_diameter0.750 INCHES NOMINAL IN
terminal_quantity2
watt_density_rating39.0 PER SQUARE INCH SINGLE VOLTAGE
mounting_method_styleTERMINAL MOUNTED
element_connection_styleWIRE LEAD
element_radiation_spectrumNONINFRARED
maximum_wattage_rating_in_watts240.0 SINGLE VOLTAGE
voltage_in_volts_and_current_type120.0 AC SINGLE VOLTAGE
NSN4520-01-379-2134
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN 137373 MFR HEATING ELEMENT,ELECTR
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 120.0 AC SINGLE VOLTAGE
•
BODY STYLE: CARTRIDGE, SCREW TYPE
•
MAXIMUM WATTAGE RATING IN WATTS: 240.0 SINGLE VOLTAGE
•
TERMINAL LENGTH: 10.000 INCHES NOMINAL IN
•
ELEMENT CONNECTION STYLE: WIRE LEAD
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TERMINAL QUANTITY2
VOLTAGE IN VOLTS AND CURRENT TYPE120.0 AC SINGLE VOLTAGE
BODY STYLECARTRIDGE, SCREW TYPE
MAXIMUM WATTAGE RATING IN WATTS240.0 SINGLE VOLTAGE
TERMINAL LENGTH10.000 INCHES NOMINAL IN
ELEMENT CONNECTION STYLEWIRE LEAD
OVERALL LENGTH3.250 INCHES NOMINAL IN
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
TERMINAL BOX ENVIRONMENTAL PROTECTIONSTANDARD
MOUNTING METHOD STYLETERMINAL MOUNTED
SUBSTITUTES & CROSS-REFERENCES 2
27584Reference document
Same NSN cross-reference
Reference document — Secondary reference
C-503Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 137373?
137373 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace 137373?
There are 2 known substitutes for 137373: 27584, C-503. Substitute compatibility should be verified for your specific system.
What is the NSN for 137373?
137373 is cataloged in the U.S. Government catalog under NSN 4520-01-379-2134. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.