NSN: 5930-01-117-6340

Technical Characteristics

• Thread Class

  2a single mounting facility

• Thread Length

  0.375 inches nominal single mounting facility

• Shaft Diameter

  0.250 inches nominal single actuator

• Shaft Length

  0.562 inches nominal single actuator

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  2 single section rear

• Throw Quantity

  2 single section rear

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Contact Voltage Rating In Volts

  28.0 dc at altitude

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Shaft Flat/slot Angular Location

  15.0 degrees from nonturn device single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Detent Rotational Torque Range

  0.8 to 4.0 inch-pounds (pound-inches) single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  200.0 milliamperes resistive load dc at sea level and 20.0 milliamperes inductive load

• Style Designator

  4a circular wafer, bushing mount

• Overall Length

  1.937 inches nominal

• Overall Diameter

  1.344 inches maximum

• Individual Section Quantity

  1

• Operating Temp Range

  -65.0 to 85.0 deg celsius

• End Item Identification

  156oma a7k ac 80378

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at altitude

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Shaft Type

  round, slotted single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes single section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  100.0 milliamperes resistive load ac at sea level

• Contact Load Current Rating

  100.0 milliamperes resistive load dc at altitude

• Contact Load Current Rating

  50.0 milliamperes resistive load ac at altitude

• Thread Series Designator

  unef single mounting facility