NSN: 5930-00-789-2932

Technical Characteristics

• Thread Class

  2b single mounting facility

• Overall Length

  5.000 inches nominal

• Overall Height

  3.688 inches nominal

• Shaft Length

  1.250 inches nominal single actuator

• Longest Horizontal Distance Between Mounting Centers

  2.281 inches nominal single mounting facility

• Longest Vertical Distance Between Mounting Centers

  2.281 inches nominal single mounting facility

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Mounting Method

  bracket and threaded hole single mounting facility

• Thread Quantity Per Inch

  20 single mounting facility

• Nominal Thread Size

  0.250 inches single mounting facility

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Shaft Type

  round, parallel flatted, threaded hole single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level

• Style Designator

  1 tap, circuit selector

• Iii Hazardous Locations/Environmental Protection

  dustproof

• Overall Width

  3.688 inches nominal

• First Flat Length

  0.875 inches nominal single actuator

• Shaft Diameter

  0.375 inches nominal single actuator

• Individual Section Quantity

  6

• Iii Knob Manufacturer Code

  82121

• Iii Knob Special Markings

  arrow sign

• Features Provided

  actuator knob

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Contact Switching Action

  breaks before makes each section rear

• Thread Series Designator

  unc single mounting facility