MIL-DTL-3950

Technical Characteristics

• Actuator Position-Locking Relationship

  down position no locking action and up position no locking action and center position locked out

• Thread Quantity Per Inch

  32

• Hazardous Locations/Environmental Protection

  weatherproof

• Body Width

  1.340 inches maximum

• Actuator Diameter

  0.420 inches nominal

• Contact Load Current Rating At Maximum Rated Voltage

  5.000 amperes lamp dc and 7.500 amperes resistive dc and 7.500 amperes inductive dc and 7.500 amperes inductive ac and 7.500 amperes resistive ac and 4.000 amperes lamp ac

• Inclosure Type

  fully inclosed

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Features Provided

  actuator seal

• Terminal Type And Quantity

  12 socket, integrated wire termination

• Actuator Style

  round

• Body Style

  bushing mount

• Nonpile-Up Contact Arrangement

  4 pole, double throw, both positions maintained single switch unit

• Actuator Position-Action Relationship

  up position maintained and down position maintained

• Body Height

  1.708 inches maximum

• Bushing Length

  0.470 inches nominal

• Actuator Height

  1.140 inches nominal

• Test Data Document

  81349-mil-s-3950 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Mounting Method

  threaded bushing

• Body Length

  1.660 inches maximum

• Specification/Standard Data

  96906-ms27789 government standard

• Nominal Thread Size

  0.469 inches

• Thread Series Designator

  uns

• ~1

  data on certain environmental and performance