NSN: 5930-00-431-5549

Technical Characteristics

• Thread Class

  2a single mounting facility

• First Flat Length

  0.296 inches minimum single actuator and 0.328 inches maximum

• Contact Voltage Rating In Volts

  28.0 dc at altitude

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Indexing Position Quantity

  18 single actuator

• Shaft Type

  round, flatted single actuator

• Contact Load Current Rating

  350.0 milliamperes resistive load dc at altitude

• Contact Load Current Rating

  50.0 milliamperes resistive load lowest ac voltage rating at sea level

• Style Designator

  4a circular wafer, bushing mount

• Thread Series Designator

  unef single mounting facility

• Flat Height

  0.216 inches nominal single actuator

• Shaft Diameter

  0.249 inches minimum single actuator and 0.252 inches maximum

• Shaft Length

  0.406 inches minimum single actuator and 0.468 inches maximum

• Nonturn Device Radius

  0.500 inches minimum at 3:00 o'clock and 0.531 inches maximum

• Nonturn Device Type

  tab at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 single section rear

• Throw Quantity

  15 single section rear

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  115.0 lowest ac voltage rating at sea level

• Contact Voltage Rating In Volts

  300.0 highest ac voltage rating at sea level

• Shaft Flat/Slot Angular Location

  140.0 degrees from nonturn device single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes single section rear

• Switch Actuator Positioning Increment

  20.0 degrees single actuator

• Switch Actuator Stop Device Type

  fixed-adjustable stops single actuator

• Contact Load Current Rating

  100.0 milliamperes resistive load ac at altitude

• Contact Load Current Rating

  250.0 milliamperes resistive load highest ac voltage rating at sea level

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level and 50.0 milliamperes inductive load

• Thread Length

  0.312 inches nominal single mounting facility

• Overall Length

  2.062 inches maximum

• Overall Diameter

  2.328 inches maximum

• Individual Section Quantity

  1

• Thread Quantity Per Inch

  32 single mounting facility

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0 lowest ac voltage rating at altitude