NSN: 5930-00-763-8459

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Thread Class

  2a 1st mounting facility

• Flat Height

  0.218 inches nominal single actuator

• Contact Switching Action

  breaks before makes each section rear

• Err Default

  err default

• Shaft Length

  0.750 inches nominal single actuator

• Thread Series Designator

  uns 1st mounting facility

• Mounting Facility Pattern

  four position circular 2nd mounting facility

• Features Provided

  actuator knob

• Mounting Method

  bracket 2nd mounting facility and threaded hole 2nd mounting facility

• Knob Special Markings

  arrow

• Style Designator

  tap, circular, bushing mount

• Mounting Method

  threaded bushing w/panel seal 1st mounting facility

• Thread Quantity Per Inch

  24 2nd mounting facility

• Mounting Facility Circle Radius

  1.156 inches nominal 2nd mounting facility

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Terminal Type

  tab w/screw

• Thread Series Designator

  unc 2nd mounting facility

• Overall Length

  3.125 inches nominal

• Nominal Thread Size

  0.190 inches 2nd mounting facility

• Contact Load Current Rating

  10.0 amperes resistive load dc at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Thread Class

  2b 2nd mounting facility

• First Flat Length

  0.375 inches nominal single actuator

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Contact Voltage Rating In Volts

  120.0 dc at sea level

• Thread Quantity Per Inch

  32 1st mounting facility

• Hazardous Locations/Environmental Protection

  dustproof

• Throw Quantity

  2 each section rear

• Knob Manufacturer Code

  82121

• Individual Section Quantity

  2

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Nominal Thread Size

  0.469 inches 1st mounting facility

• Shaft Diameter

  0.247 inches minimum single actuator and 0.253 inches maximum single actuator

• Overall Diameter

  2.500 inches nominal