NSN 5905-00-740-8189

Wire Wound Variable Resistor

About this product

Cylindrical servo mounted body style, 1.9370 inches pilot diameter, 0.0310 inches pilot length, undercut diameter: 1.9375 inches .

Manufacturer part number 291730 for national stock number 5905007408189.


  • Product description

    Precision Wire Wound Variable Resistor NSN 5905-00-740-8189.

  • MPN or Model


  • Schedule B
    8533.39.0080 (Wirewound variable resistors, nesoi)
  • NMF (National Motor Freight)
    062960 - Reostats/parts NOI
  • Section Quantity
  • Body Style
    Cylindrical servo mounted
  • Pilot Diameter
    1.9370 inches
  • Pilot Length
    0.0310 inches
  • Undercut Diameter
    1.9375 inches
  • Undercut Width
    0.0800 inches
  • Body Diameter
    2.000 inches
  • Body Length
    0.969 inches
  • Mounting Lip Diameter
    2.0000 inches
  • Mounting Lip Depth
    0.0750 inches
  • Shaft Bearing Type
  • Effective Electrical Rotation In Deg Angular Rotation
  • Maximum Starting Torque
    0.60 inch-ounces
  • Maximum Running Torque
    0.50 inch-ounces
  • Terminal Location
    Radially positioned over less than half the circumference
  • Electrical Resistance Per Section
    2.000 kilohms single section
  • Rotary Actuator Travel In Angular Deg
  • Function Conformity Tolerance Per Section
    -0.80/+0.80 single section
  • Power Dissipation Rating Per Section In Watts
    4.0 free air single section
  • Function Conformity Per Section
    Single section independent linearity
  • Fixed Tap Quantity Per Section
    7 single section
  • Resistance Tolerance Per Section In Percent
    -0.5/+0.5 single section
  • Actuator Travel Control Feature
    Continuous motion
  • Function Characteristic Per Section
    Single section linear
  • Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
    25.0 single section
  • Terminal Type And Quantity
    10 turret
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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 5905007408189

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
291730 L-3 Communications Corporation
55-20-3564 Samarius Precision Instruments Inc
291730 Raytheon Technical Services Company
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