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Technical Data Sheet
81790 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.250 INCHES SECOND END IN, seat_nominal_radius: 0.062 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-126-7868, 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
MRO MRO_GENERAL 81790
NSN: 5815-00-126-7868
FSC: 5815
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.250 INCHES SECOND END IN
seat_nominal_radius0.062 INCHES FIRST END IN
nominal_overall_length1.190 INCHES IN
thread_series_designatorNPTF SECOND END
nominal_pipe_size_accommodated0.250 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.438 INCHES FIRST END IN
NSN5815-00-126-7868
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 81790 MFR RESISTOR,VARIABLE,NONW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
120129Interchangeable
interchangeable cross-reference
interchangeable
536484Interchangeable
interchangeable cross-reference
interchangeable
91790Interchangeable
interchangeable cross-reference
interchangeable
81790Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81790?
81790 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 81790?
There are 4 known substitutes for 81790: 120129, 536484, 91790 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81790?
81790 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-126-7868. This indicates validated use in U.S. government and defense supply chains.
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