51-1921M2-2

Technical Characteristics

• Thread Class

  2a

• Thread Length

  0.417 inches minimum and 0.457 inches maximum

• Overall Length

  2.264 inches minimum and 2.344 inches maximum

• First Flat Length

  0.250 inches nominal

• Individual Section Quantity

  2

• Nonturn Device Type

  slotted bushing

• Operating Temp Range

  m65.0/p85.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  threaded bushing

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1

• Rotor Through Connection Quantity

  1

• Shaft Type

  round,flatted

• Criticality Code Justification

  feat

• Contact Switching Action

  breaks before makes

• Switch Actuator Positioning Increment

  90.0 degrees

• Contact Load Current Rating

  1.0 amperes resistive load

• Contact Load Current Rating

  100.0 milliamperes resistive load

• Thread Series Designator

  unef

• Hazardous Locations/Environmental Protection

  explosion proof

• Flat Height

  0.209 inches minimum and 0.219 inches maximum

• Shaft Diameter

  0.248 inches minimum and 0.251 inches maximum

• Shaft Length

  0.834 inches minimum and 0.914 inches maximum

• Overall Diameter

  1.150 inches maximum

• Pole Quantity

  1

• Throw Quantity

  2

• Nominal Thread Size

  0.375 inches

• Switch Actuator Indexing Position Quantity

  2

• Terminal Type

  tab,solder lug

• Switch Actuator Stop Device Type

  fixed stop

• Contact Load Current Rating

  2.0 amperes resistive load

• Special Features

  item must comply with rqmt of desc production std no. l00184