MIL-DTL-3786/4

Technical Characteristics

• Thread Class

  2a single mounting facility

• Thread Length

  0.417 inches minimum and 0.457 inches maximum single mounting facility

• Overall Length

  3.283 inches nominal

• Overall Diameter

  1.000 inches minimum and 1.306 inches maximum

• Individual Section Quantity

  5

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Mounting Method

  threaded bushing single mounting facility

• Nominal Thread Size

  0.375 inches single mounting facility

• Rotor Through Connection Quantity

  1 each section

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Contact Switching Action

  makes before breaks each section rear

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Contact Load Current Rating

  1.3 amperes resistive load and 250.0 milliamperes inductive load dc at sea level

• Test Data Document

  81349-mil-s-3786 specification

• Hazardous Locations/Environmental Protection

  explosion proof

• First Flat Length

  0.230 inches minimum and 0.270 inches maximum single actuator

• Flat Height

  0.216 inches nominal single actuator

• Shaft Diameter

  0.248 inches minimum and 0.251 inches maximum single actuator

• Shaft Length

  0.417 inches minimum and 0.457 inches maximum single actuator

• Nonturn Device Radius

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

• Nonturn Device Type

  tab at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 each section front

• Throw Quantity

  3 each section rear

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab, solder lug

• Detent Rotational Torque Range

  +1.000/+4.500 inch-pounds (pound-inches) single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  2.0 amperes resistive load ac at sea level

• Style Designator

  9 tap, circular, bushing mount

• Thread Series Designator

  unef single mounting facility

• Specification/Standard Data

  81349-mil-s-3786/4 government specification