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Technical Data Sheet
PartsTable / MRO / BYZR-77
BYZR-77 ✓ 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,WIRE WOUND,NON. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.594 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: SLEEVE SHAFT, shaft_length: 0.813 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-929-2693, 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→ BYZR-77
NSN: 5905-00-929-2693
FSC: 5905
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.594 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeSLEEVE SHAFT
shaft_length0.813 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.125 INCHES NOMINAL IN
overall_length1.403 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
overall_diameter1.531 INCHES MAXIMUM IN
section_quantity1
NSN5905-00-929-2693
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN BYZR-77 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
BEARING TYPE: SLEEVE SHAFT
•
ELECTRICAL RESISTANCE PER SECTION: 20.000 OHMS SINGLE SECTION
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
•
BODY STYLE: CYLINDRICAL BUSHING MOUNTED
•
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: 300.0 NOMINAL
•
RESISTANCE TOLERANCE PER SECTION IN PERCENT: -10.0 TO 10.0 SINGLE SECTION
•
TERMINAL TYPE AND QUANTITY: 3 TAB, SOLDER LUG
•
TERMINAL LOCATION: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
BEARING TYPESLEEVE SHAFT
ELECTRICAL RESISTANCE PER SECTION20.000 OHMS SINGLE SECTION
SHAFT DIAMETER0.250 INCHES NOMINAL IN
BODY STYLECYLINDRICAL BUSHING MOUNTED
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG300.0 NOMINAL
RESISTANCE TOLERANCE PER SECTION IN PERCENT-10.0 TO 10.0 SINGLE SECTION
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
ACTUATOR TRAVEL CONTROL FEATURESTOPS
MOUNTING METHODSTANDARD BUSHING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
166-58Interchangeable
interchangeable cross-reference
interchangeable
43TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BYZR-77?
BYZR-77 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace BYZR-77?
There are 2 known substitutes for BYZR-77: 166-58, 43T. Substitute compatibility should be verified for your specific system.
What is the NSN for BYZR-77?
BYZR-77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-929-2693. 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