NSN: 5930-01-019-5253

Technical Characteristics

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Throw Quantity

  2 each section front

• Special Features

  item must comply with requirements of desc production standard no. l02079,for navy nuclear propulsion plant only

• Shaft Diameter

  0.248 inches minimum single actuator and 0.251 inches maximum single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Thread Series Designator

  unef single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Terminal Type

  tab, solder lug

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Nonturn Device Type

  tab at 3:00 o'clock

• Thread Class

  2a single mounting facility

• First Flat Length

  0.230 inches minimum single actuator and 0.270 inches maximum single actuator

• Overall Diameter

  1.155 inches minimum and 1.185 inches maximum

• Mounting Method

  threaded bushing single mounting facility

• Rotor Through Connection Quantity

  6 each section

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Type

  round, flatted single actuator

• Contact Load Current Rating

  250.0 milliamperes resistive load dc at sea level and 100.0 milliamperes inductive load dc at sea level

• Nominal Thread Size

  0.375 inches single mounting facility

• Style Designator

  tap, circular, bushing mount

• Criticality Code Justification

  feat

• Individual Section Quantity

  4

• Err Default

  err default and err default

• Contact Switching Action

  breaks before makes each section rear

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Load Current Rating

  75.0 milliamperes resistive load ac at sea level

• Overall Length

  2.897 inches minimum and 3.023 inches maximum

• Pole Quantity

  6 each section front

• Flat Height

  0.215 inches minimum single actuator and 0.223 inches maximum single actuator

• Shaft Length

  0.834 inches minimum single actuator and 0.914 inches maximum single actuator

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Detent Rotational Torque Range

  +1.000/+4.500 inch-pounds single actuator

• Nonturn Device Radius

  0.360 inches minimum at 3:00 o'clock and 0.390 inches maximum at 3:00 o'clock