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Technical Data Sheet
PartsTable / COMPONENT / 77085
77085 ✓ Verified by PartsTable
Trust · 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

Set of wireless doorbell and plugin chime with 5 different melodies, 4 volume levels and LED indicator<br><br>- Doorbell can easily be placed anywhere with included double sided tape or screws<br>- Chime can easily be placed in any indoor mains socket<br>- 5 melodies and 4 volume levels<br>- Possible to assign different melodies to different transmitters<br>- Led indicator that clearly indicates when the chime is activated<br>- Chime can be activated with the included doorbell This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-428-6393, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
77085
NSN: 4520-01-428-6393
FSC: 4520
CAGE: 74924 — INDEECO LLC DBA INDEECO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SHEATH
body_styleFINNED, TUBULAR, U SHAPED
heat_control_typeTHERMOSTAT
end_item_identificationNAVY WEAPON SYSTEM CODE TH STRATEGIC SEALIFT CONVERSION SHIPS CLASS
element_radiation_spectrumNONINFRARED
maximum_wattage_rating_in_watts2800.0 SINGLE VOLTAGE
voltage_in_volts_and_current_type254.0 AC SINGLE VOLTAGE
NSN4520-01-428-6393
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trust HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN 77085 MFR Trust HEATING ELEMENT,ELECTR
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING SHEATH
•
MAXIMUM WATTAGE RATING IN WATTS: 2800.0 SINGLE VOLTAGE
•
ELEMENT RADIATION SPECTRUM: NONINFRARED
•
HEAT CONTROL TYPE: THERMOSTAT
•
BODY STYLE: FINNED, TUBULAR, U SHAPED
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 254.0 AC SINGLE VOLTAGE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING SHEATH
MAXIMUM WATTAGE RATING IN WATTS2800.0 SINGLE VOLTAGE
ELEMENT RADIATION SPECTRUMNONINFRARED
END ITEM IDENTIFICATIONNAVY WEAPON SYSTEM CODE TH STRATEGIC SEALIFT CONVERSION SHIPS CLASS
HEAT CONTROL TYPETHERMOSTAT
BODY STYLEFINNED, TUBULAR, U SHAPED
VOLTAGE IN VOLTS AND CURRENT TYPE254.0 AC SINGLE VOLTAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
C-481Interchangeable
interchangeable cross-reference
interchangeable
H50712Interchangeable
interchangeable cross-reference
interchangeable
4FB-4PC-180-4M6FLBInterchangeable
interchangeable cross-reference
interchangeable
77428Interchangeable
interchangeable cross-reference
interchangeable
77430Interchangeable
interchangeable cross-reference
interchangeable
7980084Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77085?
77085 is a HEATING ELEMENT,ELECTRICAL,NONIM manufactured by Trust.
What parts can replace 77085?
There are 8 known substitutes for 77085: C-481, H50712, 4FB-4PC-180-4M6FLB and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77085?
77085 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-428-6393. 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