58-1940

Technical Characteristics

• Overall Length

  5.720 inches maximum

• First Flat Length

  0.320 inches nominal

• Flat Height

  0.220 inches nominal

• Shaft Diameter

  0.125 inches nominal

• Shaft Diameter

  0.250 inches nominal

• Shaft Length

  0.870 inches nominal

• Pole Quantity

  3

• Throw Quantity

  4

• Nominal Thread Size

  0.375 inches

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Terminal Type

  tab,solder lug

• Contact Switching Action

  makes before breaks

• Switch Actuator Stop Device Type

  fixed stop

• Contact Load Current Rating

  2.0 amperes resistive load

• Contact Load Current Rating

  500.0 milliamperes resistive load

• Thread Class

  2a

• Thread Length

  0.375 inches nominal

• Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.250 inches nominal

• Flat Height

  0.093 inches nominal

• Shaft Length

  1.440 inches nominal

• Overall Diameter

  1.120 inches nominal

• Individual Section Quantity

  6

• 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

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1

• Rotor Through Connection Quantity

  3

• Switch Actuator Indexing Position Quantity

  4

• Shaft Type

  round,flatted

• Shaft Type

  round,hollowed,flatted

• Contact Switching Action

  breaks before makes

• Switch Actuator Positioning Increment

  30.0 degrees

• Contact Load Current Rating

  1.0 amperes resistive load

• Test Data Document

  81349-mil-s-3786 specification

• Thread Series Designator

  unef