NSN 5905-00-577-7138

Datasheet

• Product description
  

  Nonprecision Wire Wound Variable Resistor NSN 5905-00-577-7138.

• MPN or Model
  

  RA20NBSD250A

• Schedule B
  8533.39.0080 (Wirewound variable resistors, nesoi)
• NMF (National Motor Freight)
  062960 - Reostats/parts NOI
• Section Quantity
  1
• Body Style
  Cylindrical bushing mounted
• Reliability Indicator
  Not established
• Overall Length
  Between 1.944 inches and 2.186 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 0.850 inches and 0.970 inches
• Overall Diameter
  1.750 inches
• Shaft Style
  Round, slotted
• Switch Type
  Rotary
• Switch Voltage Rating In Volts
  117.0
• Actuator Type
  Single shaft
• Effective Electrical Rotation In Deg Angular Rotation
  Between 220.0 and 285.0
• 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
• Switch Operating Position
  Start of rotation
• Switch Contact Arrangement
  Single pole, single throw, normally open, both positions maintained
• 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
  25.0 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
• Switch Current Type And Rating In Amps
  3.000 ac
• 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
  5 tab, solder lug
• Specification Data
  81349-mil-r-19/2 government specification