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Technical Data Sheet
MT345 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include phase: SINGLE SINGLE VOLTAGE, length: 11.375 INCHES NOMINAL IN, material: COPPER SHEATH, body_style: TUBULAR, SCREW TYPE, overall_length: 16.812 INCHES NOMINAL IN, thread_quantity: 32.0 PER INCH SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-859-5777, 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
MT345
NSN: 4520-00-859-5777
FSC: 4520
CAGE: 65586 — CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC (USA)
SPECIFICATIONS
phaseSINGLE SINGLE VOLTAGE
length11.375 INCHES NOMINAL IN
materialCOPPER SHEATH
body_styleTUBULAR, SCREW TYPE
heat_quantity1
overall_length16.812 INCHES NOMINAL IN
thread_quantity32.0 PER INCH SCREW
element_quantity1
terminal_quantity4
frequency_in_hertz60.0
nominal_thread_size0.164 INCHES SCREW IN
watt_density_rating44.0 PER SQUARE INCH SINGLE VOLTAGE
NSN4520-00-859-5777
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,IMMER TITLE COMPONENT PN MT345 MFR HEATING ELEMENT,ELECTR
KEY FEATURES
HEAT QUANTITY: 1
TERMINAL BOX ENVIRONMENTAL PROTECTION: STANDARD
ELEMENT CONNECTION STYLE: TERMINAL SCREW
WATT DENSITY RATING: 44.0 PER SQUARE INCH SINGLE VOLTAGE
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SCREW
MATERIAL: COPPER SHEATH
LENGTH: 11.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAT QUANTITY1
TERMINAL BOX ENVIRONMENTAL PROTECTIONSTANDARD
ELEMENT CONNECTION STYLETERMINAL SCREW
WATT DENSITY RATING44.0 PER SQUARE INCH SINGLE VOLTAGE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SCREW
MATERIALCOPPER SHEATH
THREAD SERIES DESIGNATORNPT MOUNTING FACILITY
LENGTH11.375 INCHES NOMINAL IN
MAXIMUM WATTAGE RATING IN WATTS4500.0 SINGLE VOLTAGE
ELEMENT QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
455887Interchangeable
interchangeable cross-reference
interchangeable
820432Interchangeable
interchangeable cross-reference
interchangeable
X24743BInterchangeable
interchangeable cross-reference
interchangeable
322341Interchangeable
interchangeable cross-reference
interchangeable
36D483G040DF2BInterchangeable
interchangeable cross-reference
interchangeable
110257Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT345?
MT345 is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace MT345?
There are 12 known substitutes for MT345: 455887, 820432, X24743B and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MT345?
MT345 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-859-5777. This indicates validated use in U.S. government and defense supply chains.
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