NSN: 5905-00-256-8488

Technical Characteristics

• Terminal Location

  radially positioned over more than half the circumference

• Undercut Diameter

  2.875 inches nominal

• Terminal Type And Quantity

  143 turret

• Body Diameter

  3.000 inches nominal

• Shaft Length

  0.875 inches nominal

• Shaft Runout

  0.001 inches

• Switch Voltage Rating In Volts

  50.0

• Function Conformity Tolerance Per Section

  -0.25/+0.25 all sections

• Mounting Method

  clamp ring

• Undercut Width

  0.07300 inches minimum

• Switch Operating Position

  start of rotation

• Lateral Runout

  0.003 inches

• Actuator Travel Control Feature

  continuous motion

• Pilot Length

  0.06200 inches nominal

• Reliability Indicator

  not established

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

  165.0 all sections

• Function Conformity Per Section

  all sections independent linearity

• Rotary Actuator Travel In Angular Deg

  360.0 nominal

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

  -100.0/+100.0 all sections

• Mounting Lip Diameter

  3.00000 inches nominal

• Electrical Resistance Per Section

  20.0 percent, rated amperes c and better select

• Pilot Diameter Runout

  0.00150 inches

• Switch Contact Arrangement

  single pole, double throw, three positions maintained

• Pilot Diameter

  2.87500 inches nominal

• Maximum Running Torque

  3.50 inch-ounces

• Tap Location Tolerance Per Section

  -0.25/+0.25 deg angular rotation all sections

• Switch Type

  rotary

• Section Quantity

  4

• Maximum Starting Torque

  5.00 inch-ounces

• Function Characteristic Per Section

  all sections linear

• Features Provided

  switch

• Actuator Type

  double ended shaft

• Shaft Bearing Type

  ball

• Test Data Document

  18876-10243506 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)

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

  55.0 all sections

• Power Dissipation Rating Per Section In Watts

  5.0 free air all sections

• Electrical Resistance Per Section

  100.0 percent, rated amperes c and better v.g. stepping

• Mounting Lip Depth

  0.09300 inches nominal

• Shaft End Play

  0.00100 inches

• Electrical Resistance Per Section

  20.0 percent, rated amperes c and better industrial clears

• Body Style

  cylindrical servo mounted

• Shaft Radial Play

  0.001 inches

• Fixed Tap Quantity Per Section

  32 all sections

• Body Length

  4.781 inches maximum

• Shaft Diameter

  0.2498 inches nominal

• Switch Current Type And Rating In Amps

  0.100 dc

• Shaft Style

  round

• Electrical Resistance Per Section

  20.0 percent, rated amperes c and better finish

• Resistance Tolerance Per Section In Percent

  -5.0/+5.0 all sections

• Effective Electrical Rotation In Deg Angular Rotation

  356.0 minimum and 357.0 maximum