Precision Wire Wound Variable Resistor

Features

Specifications

• Section Quantity:
  2
• Body Style:
  Cylindrical bushing mounted
• Reliability Indicator:
  Not established
• Body Diameter:
  0.875 inches
• Shaft Diameter:
  0.250 inches
• Shaft Length:
  1.218 inches
• Mounting Bushing Length:
  0.312 inches
• Body Length:
  2.500 inches
• Undercut Diameter:
  0.125 inches
• Shaft Style:
  Round, stepped
• Shaft Bearing Type:
  Bearing
• Switch Type:
  Rotary
• Switch Voltage Rating In Volts:
  28.0
• Contact Arm Electrical Off Position:
  Fully ccw
• Actuator Type:
  Dual concentric
• Effective Electrical Rotation In Deg Angular Rotation:
  270.0
• Maximum Starting Torque:
  9.00 inch-ounces
• Maximum Running Torque:
  9.00 inch-ounces
• Maximum Stop Torque:
  64.00 inch-ounces
• Nonturn Device Location:
  At 6 oclock
• Nonturn Device Radius:
  0.312 inches
• Mechanical Backlash In Deg Angular Rotation:
  3.0
• Switch Operating Position:
  Start of rotation
• Switch Contact Arrangement:
  Single pole, single throw, normally open, both positions maintained
• Fragility Factor:
  Moderately rugged
• End Application:
  B-1b aircraft
• Undercut Length:
  0.406 inches
• Screw Thread Diameter:
  0.375 inches
• Screw Thread Series Designator:
  Unef
• Screw Thready Qty Per Inch (tpi):
  32.0
• Terminal Location:
  Radially positioned over less than half the circumference
• Mounting Method:
  Standard bushing
• Features Provided:
  Switch
• Electrical Resistance Per Section:
  10.0 kilohms all sections
• Rotary Actuator Travel In Angular Deg:
  275.0
• Function Conformity Tolerance Per Section:
  -0.25/+0.25 all sections
• Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power:
  150.0 all sections
• Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius:
  -30.0/+30.0 all sections
• Power Dissipation Rating Per Section In Watts:
  1.5 7th secondary pattern
• Power Dissipation Rating Per Section In Watts:
  2.0 7th secondary finish
• Function Conformity Per Section:
  All sections independent linearity
• Resistance Tolerance Per Section In Percent:
  -3.0/+3.0 all sections
• Actuator Travel Control Feature:
  Stops
• Function Characteristic Per Section:
  All sections linear
• Ambient Tempurature In Deg Celsius Per Section At Full Rated Power:
  85.0 all sections
• Switch Current Type And Rating In Amps:
  0.150 dc
• Test Data Document:
  43999-le444-0001 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)
• Terminal Type And Quantity:
  9 wire lead
• Federal Supply Class (fsc):
  Resistors
• National Stock Number (nsn):
  5905-01-267-1321