20SF7478

Technical Characteristics

• Fragility Factor

  moderately rugged

• Shaft End Play

  0.005 inches

• Cubic Measure

  0.910 cubic inches

• Mounting Method

  clamp ring and threaded hole

• Undercut Width

  0.0550 inches minimum

• Maximum Running Torque

  0.60 inch-ounces

• Pilot Length

  0.0350 inches minimum and 0.0670 inches maximum

• Function Conformity Tolerance Per Section

  -0.10/+0.10 single section

• Shaft Diameter

  0.2495 inches minimum and 0.2500 inches maximum

• Pilot Diameter

  1.8745 inches minimum and 1.8750 inches maximum

• Temp Coefficient Of Resistance Per Section In Ppm Per Deg Celsius

  -400.0/+400.0 single section

• Mounting Lip Diameter

  2.0000 inches maximum

• Shaft Style

  round, slotted

• Shaft Bearing Type

  ball

• Actuator Type

  double ended shaft

• Function Conformity Per Section

  single section independent linearity

• Screw Thread Quantity Per Inch

  56.0

• Angle Between Centerlines Of Mounting Holes In Deg

  60.0

• Effective Electrical Rotation In Deg Angular Rotation

  350.0 nominal

• Pilot Diameter Runout

  0.001 inches

• Mounting Lip Depth

  0.0550 nominal mils and 0.0670 nominal centimeters

• Body Length

  0.910 inches maximum

• Shaft Radial Play

  0.001 inches

• Body Style

  cylindrical servo mounted

• Fixed Tap Quantity Per Section

  1 single section

• Undercut Diameter

  1.8745 inches minimum and 1.8750 inches maximum

• Angle Of Mounting Hole In Deg

  30.0

• Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation

  1000.0 single section

• Body Diameter

  2.000 nominal centimeters

• Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power

  125.0 single section

• Rotary Actuator Travel In Angular Deg

  360.0 nominal

• Lateral Runout

  0.002 inches

• Reliability Indicator

  not established

• Screw Thread Series Designator

  unc

• Actuator Travel Control Feature

  continuous motion

• Shaft Length

  2.155 inches minimum and 2.208 inches maximum

• Test Data Document

  82577-960024 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

• Mounting Facility Quantity

  4

• Mounting Hole/Stud Circle Diameter

  1.682 inches minimum and 1.692 inches maximum

• Resistance Tolerance Per Section In Percent

  -10.0/+10.0 single section

• Features Provided

  humidity proof

• Ambient Temp In Deg Celsius Per Section At Full Rated Power

  25.0 single section

• Special Features

  knob on rear end of shaft 0.6232 in. dia min. and 0.6238 in. dia max; 500 ohm,0.25 watt internal resistor connected to wiper

• Electrical Resistance Per Section

  2.0 percent, rated amperes c and better flooring

• Terminal Type And Quantity

  4 turret

• Screw Thread Diameter

  0.076 inches minimum and 0.096 inches maximum

• Maximum Starting Torque

  0.60 inch-ounces

• Function Characteristic Per Section

  7 oclock all primaries

• Section Quantity

  1

• Power Dissipation Rating Per Section In Watts

  2.0 7th secondary quality

• Terminal Location

  radially positioned over more than half the circumference

• Shaft Runout

  0.002 inches