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NSN 5905-00-940-7168

Wire Wound Variable Resistor

About this product

Cylindrical servo mounted body style, between 0.9683 inches and 0.9688 inches pilot diameter, between 0.0570 inches and 0.0670 inches pilot length, first flat length: between 0.234 inches and 0.266 inches .

Manufacturer part number 138-121-0001 for national stock number 5905009407168.

Datasheet

  • Product description

    Precision Wire Wound Variable Resistor NSN 5905-00-940-7168.

  • MPN or Model

    138-121-0001

  • Schedule B
    8533.39.0080 (Wirewound variable resistors, nesoi)
  • NMF (National Motor Freight)
    062960 - Reostats/parts NOI
  • Section Quantity
    2
  • Body Style
    Cylindrical servo mounted
  • Reliability Indicator
    Not established
  • Pilot Diameter
    Between 0.9683 inches and 0.9688 inches
  • Pilot Length
    Between 0.0570 inches and 0.0670 inches
  • Overall Length
    2.135 inches
  • First Flat Length
    Between 0.234 inches and 0.266 inches
  • Flat Height
    Between 0.067 inches and 0.109 inches
  • Undercut Diameter
    Between 0.9683 inches and 0.9688 inches
  • Undercut Width
    Between 0.0570 inches and 0.0670 inches
  • Body Diameter
    Between 1.057 inches and 1.067 inches
  • Shaft Diameter
    0.125 inches
  • Shaft Length
    Between 0.984 inches and 1.016 inches
  • Body Length
    1.135 inches
  • Overall Diameter
    1.203 inches
  • Mounting Lip Diameter
    Between 0.9683 inches and 0.9688 inches
  • Mounting Lip Depth
    Between 0.0570 inches and 0.0670 inches
  • Shaft Style
    Round, flatted
  • Contact Arm Electrical Off Position
    Fully ccw
  • Actuator Type
    Dual concentric
  • Effective Electrical Rotation In Deg Angular Rotation
    Between 345.0 and 355.0
  • Maximum Starting Torque
    0.40 inch-ounces
  • Shaft Runout
    0.001 inches
  • Shaft Radial Play
    0.002 inches
  • Terminal Location
    Radially positioned over less than half the circumference
  • Mounting Method
    Clamp ring
  • Electrical Resistance Per Section
    2.0 kilohms all sections
  • Rotary Actuator Travel In Angular Deg
    345.0
  • Function Conformity Tolerance Per Section
    -0.50/+0.50 single section
  • Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
    150.0 single section
  • Power Dissipation Rating Per Section In Watts
    5.0 free air all sections
  • Function Conformity Per Section
    Single section independent linearity
  • Resistance Tolerance Per Section In Percent
    -1.0/+1.0 all sections
  • Actuator Travel Control Feature
    Stops
  • Function Characteristic Per Section
    Single section linear
  • Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
    85.0 single section
  • Terminal Type And Quantity
    6 solder stud
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Precision Wire Wound Variable Resistor

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity) of the output is equal to or less than plus or munus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable, for items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, nonprecision.

Mechanic Bill explains Wire Wound Variable Resistor

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NSN 5905009407168

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
138-121-0001 Northrop Grumman Systems Corporation
6213-14-2 Bi Technologies Corporation
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