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NSN 5905-00-577-3973

Resistive Trimmer

About this product

Cylindrical bushing mounted body style, round, slotted shaft style, single shaft actuator type, effective electrical rotation in deg angular rotation: between 290.0 and 305.0 .

Manufacturer part number RA20NASD251A for national stock number 5905005773973.

Datasheet

  • Product description

    Nonprecision Wire Wound Variable Resistor NSN 5905-00-577-3973.

  • MPN or Model

    RA20NASD251A

  • Schedule B
    8533.39.0080 (Wirewound variable resistors, nesoi)
  • NMF (National Motor Freight)
    062960 - Reostats/parts NOI
  • Unit Weight (Est.)
    0.1 lb
  • Section Quantity
    1
  • Body Style
    Cylindrical bushing mounted
  • Reliability Indicator
    Not established
  • Overall Length
    Between 1.414 inches and 1.576 inches
  • Body Diameter
    Between 1.100 inches and 1.310 inches
  • Shaft Diameter
    Between 0.248 inches and 0.251 inches
  • Shaft Length
    Between 0.844 inches and 0.906 inches
  • Mounting Bushing Length
    Between 0.360 inches and 0.390 inches
  • Body Length
    Between 0.570 inches and 0.670 inches
  • Overall Diameter
    1.750 inches
  • Shaft Style
    Round, slotted
  • Actuator Type
    Single shaft
  • Effective Electrical Rotation In Deg Angular Rotation
    Between 290.0 and 305.0
  • Maximum Starting Torque
    6.00 inch-ounces
  • Maximum Stop Torque
    128.00 inch-ounces
  • Nonturn Device Location
    At 9 oclock
  • Nonturn Device Radius
    Between 0.516 inches and 0.546 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
  • Electrical Resistance Per Section
    250.0 ohms single section
  • Rotary Actuator Travel In Angular Deg
    Between 290.0 and 305.0
  • Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
    105.0 single section
  • Power Dissipation Rating Per Section In Watts
    2.0 free air single section
  • Resistance Tolerance Per Section In Percent
    -10.0 to 10.0 single section
  • Actuator Travel Control Feature
    Stops
  • Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
    40.0 single section
  • Standard Taper Curve Per Section
    A single section
  • Test Data Document
    81349-mil-r-19 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Terminal Type And Quantity
    3 tab, solder lug
  • Specification Data
    81349-mil-r-19/2 government specification
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 5905005773973

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
RA20NASD251A Military Specifications
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