NSN: 5930-00-548-6643

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Individual Section Quantity

  4

• Overall Width

  4.125 inches nominal

• Shaft Length

  4.500 inches nominal single actuator

• Longest Horizontal Distance Between Mounting Centers

  2.094 inches nominal single mounting facility

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Flat Height

  0.325 inches nominal single actuator

• Pole Quantity

  2 each section rear

• Longest Vertical Distance Between Mounting Centers

  2.094 inches nominal single mounting facility

• Hazardous Locations/Environmental Protection

  watertight

• Features Provided

  actuator knob and metallic inclosure

• Shaft Diameter

  0.375 inches nominal single actuator

• Overall Height

  4.125 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• First Flat Length

  0.875 inches nominal single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Mounting Method

  base single mounting facility and threaded hole single mounting facility

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Throw Quantity

  2 each section rear

• Thread Series Designator

  unc single mounting facility

• Knob Manufacturer Code

  82121

• Nominal Thread Size

  0.250 inches single mounting facility

• Thread Class

  2b single mounting facility

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Thread Quantity Per Inch

  20 single mounting facility

• Contact Load Current Rating

  30.0 amperes resistive load dc at sea level

• Overall Length

  8.219 inches nominal