MIL-S-3786/4

Technical Characteristics

• Iii Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.216 inches nominal single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Shaft Length

  0.437 inches nominal single actuator

• Overall Diameter

  1.000 inches minimum and 1.306 inches maximum

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Individual Section Quantity

  6

• Nonturn Device Type

  tab at 3:00 o'clock

• Iii Operating Temp Range

  -65.0 to 85.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Throw Quantity

  3 each section rear

• Iii Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab, solder lug

• Iii Detent Rotational Torque Range

  1.750 to 7.000 inch-pounds single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Definitive Government Spec/Std Reference

  m3786/4-0127

• Style Designator

  9 tap, circular, bushing mount

• Specification/Standard Data

  81349-mil-s-3786/4 government specification

• Thread Class

  2a single mounting facility

• Thread Length

  0.437 inches nominal single mounting facility

• Overall Length

  3.629 inches nominal

• Pole Quantity

  3 each section front

• Mounting Method

  threaded bushing single mounting facility

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Rotor Through Connection Quantity

  3 each section

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

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

• Contact Load Current Rating

  75.0 milliamperes resistive load ac at sea level

• Manufacturers Code

  81349

• Non-Definitive Government Spec/Std Reference

  mil-dtl-3786/4

• Test Data Document

  81349-mil-s-3786 specification

• Thread Series Designator

  unef single mounting facility