NSN: 5930-00-553-8750

Technical Characteristics

• Thread Class

  2a single mounting facility

• First Flat Length

  0.245 inches minimum single actuator and 0.255 inches maximum

• Flat Height

  0.097 inches minimum single actuator and 0.103 inches maximum

• Shaft Diameter

  0.123 inches minimum single actuator and 0.126 inches maximum

• Shaft Length

  0.690 inches nominal single actuator

• Overall Diameter

  0.688 inches maximum

• Pole Quantity

  2 each section front

• Throw Quantity

  4 each section rear

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Rotor Through Connection Quantity

  2 each section

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes each section rear

• Contact Load Current Rating

  250.0 milliamperes resistive load ac at sea level

• Style Designator

  9 tap, circular, bushing mount

• Thread Length

  0.312 inches nominal single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Length

  1.578 inches nominal

• Nonturn Device Radius

  0.250 inches nominal at 3:00 o'clock

• Individual Section Quantity

  2

• Nonturn Device Type

  pin at 3:00 o'clock

• Operating Temp Range

  -65.0 to 125.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Nominal Thread Size

  0.250 inches single mounting facility

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1 single actuator

• Shaft Type

  round, flatted single actuator

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  250.0 milliamperes resistive load dc at sea level and 120.0 milliamperes inductive load

• Thread Series Designator

  unef single mounting facility