PartsTable
Technical Data Sheet
77-081 ✓ 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

- Can easily be taken with you, even to the garden<br>- 5 melodies and 4 volume levels<br>- Possible to assign different melodies to different transmitters<br>- Led indicator that clearly indicates when the doorbell is activated<br>- Long battery life (battery not included) This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1285-00-051-6511, 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
77-081
NSN: 1285-00-051-6511
FSC: 1285
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES SECOND END
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE SECOND END
inside_diameter0.500 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE SECOND END
outside_diameter0.870 INCHES NOMINAL IN
thread_directionRIGHT-HAND SECOND END
features_providedREUSABLE END FITTINGS
operating_pressure3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure14000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.875 INCHES SECOND END IN
NSN1285-00-051-6511
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trust HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN 77-081 MFR Trust HEATING ELEMENT,ELECTR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7727Interchangeable
interchangeable cross-reference
interchangeable
7708-1Interchangeable
interchangeable cross-reference
interchangeable
3010606-10-12-8-69.00Interchangeable
interchangeable cross-reference
interchangeable
77090Interchangeable
interchangeable cross-reference
interchangeable
77091Interchangeable
interchangeable cross-reference
interchangeable
77104Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77-081?
77-081 is a HEATING ELEMENT,ELECTRICAL,NONIM manufactured by Trust.
What parts can replace 77-081?
There are 6 known substitutes for 77-081: 7727, 7708-1, 3010606-10-12-8-69.00 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77-081?
77-081 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1285-00-051-6511. This indicates validated use in U.S. government and defense supply chains.
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