NSN: 5930-00-326-1844

Technical Characteristics

• First Flat Length

  0.875 inches nominal

• Shaft Length

  1.125 inches nominal

• Knob Manufacturer Code

  82121

• Knob Manufacturer Part Number

  a

• Longest Vertical Distance Between Mounting Centers

  2.281 inches nominal

• Pole Quantity

  1

• Throw Quantity

  1

• Features Provided

  actuator knob

• Nominal Thread Size

  0.250 inches

• Contact Switching Action

  breaks before makes

• Contact Load Current Rating

  15.0 amperes resistive load

• Thread Series Designator

  unc

• Thread Class

  2b

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Length

  3.719 inches nominal

• Overall Height

  4.125 inches maximum

• Overall Width

  4.125 inches maximum

• Flat Height

  0.344 inches nominal

• Shaft Diameter

  0.375 inches nominal

• Individual Section Quantity

  3

• Longest Horizontal Distance Between Mounting Centers

  2.281 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  threaded hole

• Thread Quantity Per Inch

  20

• Contact Voltage Rating In Volts

  125.0

• Contact Voltage Rating In Volts

  250.0

• Contact Voltage Rating In Volts

  600.0

• Mounting Facility Pattern

  four position rectangular

• Switch Actuator Indexing Position Quantity

  4

• Shaft Type

  round,flatted,threaded hole

• Terminal Type

  tab w/screw

• Switch Actuator Positioning Increment

  90.0 degrees

• Switch Actuator Stop Device Type

  adjustable stop

• Contact Load Current Rating

  30.0 amperes resistive load

• Contact Load Current Rating

  40.0 amperes resistive load

• Style Designator

  tap,circuit selector