Transmitter Synchro

Part Number MIL-S-20708/139

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

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Features

4.1200 inches maximum overall length.

Includes quality control certificate of conformance.

Specifications

  • Body Material:
    Aluminum alloy
  • Body Style:
    Standard round c
  • Shoulder Diameter:
    2.7000 inches
  • Pilot Diameter:
    0.2405 inches
  • Flange Diameter:
    3.1000 inches
  • Flange Thickness:
    0.2500 inches
  • Undercut Diameter:
    2.7500 inches
  • Undercut Width:
    0.0250 inches
  • Shaft Diameter:
    0.2405 inches single shaft
  • Shaft Length:
    0.7300 inches single shaft
  • Fragility Factor:
    Moderately rugged
  • Maximum Tempurature Rise:
    10.0 degrees celsius
  • Body Size:
    31
  • Rotor Input Voltage Rating In Volts:
    115.0
  • Frequency In Hertz:
    60.0
  • Rotor Input Current Rating:
    191.0 milliamperes
  • Rotor Input Electrical Power Rating:
    2.26 watts
  • Zro Resistance In Ohms:
    693.00
  • Zss Resistance In Ohms:
    63.00
  • Zro Impedance Angle In Deg:
    83.20
  • Zss Impedance Angle In Deg:
    20.00
  • Rotor Dc Resistance In Ohms:
    53.60
  • Stator Dc Resistance In Ohms:
    52.00
  • Phase Shift Angle In Deg:
    4.400 input to output
  • Maximum Fundamental Null Voltage In Millivolts Per Volt:
    30.00 output
  • Maximum Total Null Voltage Output In Millivolts Per Volt:
    100.00
  • Electrical Error Angular Range In Minutes:
    -8.0/+8.0
  • Spline Tooth Quantity:
    22 single shaft
  • Actuator Friction Torque At Minus 55 Deg Celsius:
    0.50 inch-ounces
  • Pilot Length:
    0.3750 inches
  • Shoulder Length:
    0.1850 inches
  • Mounting Surface To Terminal End Distance:
    3.3800 inches
  • Spline Tooth Diametral Pitch:
    96 single shaft
  • Shaft Thread Series Designator:
    Unf single shaft
  • Shaft Thread Direction:
    Right-hand single shaft
  • Shaft Thread Class:
    2a single shaft
  • Terminal Location:
    Rear
  • Shaft Thread Length:
    0.3130 inches single shaft
  • Shaft Type:
    Spline w/threads single shaft
  • Transformation Ratio:
    0.783 rotor to stator
  • Shaft Thread Size:
    0.390 inches single shaft
  • Test Data Document:
    81349-mil-s-20708 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Terminal Type And Quantity:
    5 screw
  • Specification Data:
    81349-mil-s-20708/139 government specification
  • Federal Supply Class (fsc):
    Synchros and resolvers
  • National Stock Number (nsn):
    5990-01-030-5206

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