MIL-S-3786/4

Technical Characteristics

• Thread Length

  0.437 inches nominal

• Overall Length

  2.245 inches nominal

• Nonturn Device Radius

  0.375 inches nominal

• Individual Section Quantity

  2

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  threaded bushing

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  216.0 degrees from nonturn device

• Switch Actuator Indexing Position Quantity

  4

• Shaft Type

  round,flatted

• Switch Actuator Positioning Increment

  36.0 degrees

• Contact Load Current Rating

  250.0 milliamperes resistive load and 100.0 milliamperes inductive load

• Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.250 inches nominal

• Flat Height

  0.216 inches nominal

• Shaft Diameter

  0.250 inches nominal

• Shaft Length

  0.437 inches nominal

• Overall Diameter

  1.000 inches minimum and 1.306 inches maximum

• Nonturn Device Type

  tab

• Operating Temp Range

  m65.0/p125.0 deg celsius

• Pole Quantity

  2

• Throw Quantity

  4

• Nominal Thread Size

  0.375 inches

• Contact Voltage Rating In Volts

  115.0

• Rotor Through Connection Quantity

  2

• Terminal Type

  tab,solder lug

• Contact Switching Action

  breaks before makes

• Detent Rotational Torque Range

  p1.0/p4.5 inch-pounds (pound-inches)

• Switch Actuator Stop Device Type

  fixed stop

• Contact Load Current Rating

  75.0 milliamperes resistive load

• Test Data Document

  81349-mil-s-3786 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  81349-mil-s-3786/4 government specification

• Thread Class

  2a