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NSN 5905-00-999-4670

Resistive Trimmer

About this product

Cylindrical bushing mounted body style, round shaft style, sleeve shaft bearing type, actuator type: single shaft.

Manufacturer part number 257903 for national stock number 5905009994670.

Datasheet

  • Product description

    Nonprecision Wire Wound Variable Resistor NSN 5905-00-999-4670.

  • MPN or Model

    257903

  • Schedule B
    8533.39.0080 (Wirewound variable resistors, nesoi)
  • NMF (National Motor Freight)
    062960 - Reostats/parts NOI
  • Section Quantity
    2
  • Body Style
    Cylindrical bushing mounted
  • Reliability Indicator
    Not established
  • Overall Length
    5.015 inches
  • Body Diameter
    1.828 centimeters
  • Shaft Diameter
    0.2497 inches
  • Shaft Length
    0.812 inches
  • Mounting Bushing Length
    0.312 inches
  • Body Length
    4.172 inches
  • Overall Diameter
    2.266 inches
  • Shaft Style
    Round
  • Shaft Bearing Type
    Sleeve
  • Actuator Type
    Single shaft
  • Effective Electrical Rotation In Deg Angular Rotation
    3600.0
  • Maximum Starting Torque
    2.00 inch-ounces
  • Maximum Running Torque
    1.50 inch-ounces
  • Maximum Stop Torque
    550.00 inch-ounces
  • Nonturn Device Location
    At 12 oclock
  • Nonturn Device Radius
    0.562 inches
  • Shaft End Play
    0.00500 inches
  • Shaft Runout
    0.0005 inches
  • Lateral Runout
    0.003 inches
  • Pilot Diameter Runout
    0.00200 inches
  • Shaft Radial Play
    0.003 inches
  • Fragility Factor
    Rugged
  • 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
    Humidity proof
  • Cubic Measure
    10.949 cubic inches
  • Electrical Resistance Per Section
    50.000 percent, rated amperes c and better
  • Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
    720.0 all sections
  • Rotary Actuator Travel In Angular Deg
    3600.0
  • Function Conformity Tolerance Per Section
    -0.10/+0.10 all sections
  • Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
    80.0 all sections
  • Power Dissipation Rating Per Section In Watts
    5.0 7th secondary at 10'30 oclock
  • Function Conformity Per Section
    All sections independent linearity
  • Fixed Tap Quantity Per Section
    1 all sections
  • Tap Location Tolerance Per Section
    -1.0/+1.0 degrees angular rotation all sections
  • Resistance Tolerance Per Section In Percent
    -1.0/+1.0 all sections
  • Actuator Travel Control Feature
    Stops
  • Function Characteristic Per Section
    6 oclock all primaries
  • Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
    -20.0/+20.0 all sections
  • Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
    40.0 all sections
  • Terminal Type And Quantity
    8 tab, solder lug
More from these suppliers
Nonprecision 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), if given, of the output is greater than plus of minus 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, precision.

Mechanic Bill explains Resistive Trimmer

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NSN 5905009994670

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
257903 L-3 Communications Corporation
257903 Raytheon Technical Services Company
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