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PartsTable / COMPONENT / ET2-251-3685
ET2-251-3685 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include material: STEEL OVERALL, end_style: SPRING END,GROUND BOTH ENDS, inside_diameter: 0.375 INCHES NOMINAL IN, spring_free_length: 1.000 INCHES NOMINAL IN, coil_helix_direction: RIGHT-HAND OR LEFT-HAND, end_item_identification: NEXT GENERATION RADAR (NEXRAD). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2590-01-680-3719, 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
ET2-251-3685
NSN: 2590-01-680-3719
FSC: 2590
CAGE: 31KK8 — J.W.F. TECHNOLOGIES, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,GROUND BOTH ENDS
inside_diameter0.375 INCHES NOMINAL IN
spring_free_length1.000 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
end_item_identificationNEXT GENERATION RADAR (NEXRAD)
spring_solid_outside_diameter0.750 INCHES NOMINAL IN
general_characteristics_item_descriptionSTEEL; 1/8 TO 3/8 IN. DIA TAPER; 4 IN. LG IN
NSN2590-01-680-3719
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,IMMER TITLE COMPONENT PN ET2-251-3685 MFR HEATING ELEMENT,ELECTR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3685Interchangeable
interchangeable cross-reference
interchangeable
3685-BInterchangeable
interchangeable cross-reference
interchangeable
3685-1Interchangeable
interchangeable cross-reference
interchangeable
TMT-99-38Interchangeable
interchangeable cross-reference
interchangeable
5110-00-440-7996Interchangeable
interchangeable cross-reference
interchangeable
127-691Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ET2-251-3685?
ET2-251-3685 is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace ET2-251-3685?
There are 9 known substitutes for ET2-251-3685: 3685, 3685-B, 3685-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ET2-251-3685?
ET2-251-3685 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2590-01-680-3719. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026