MIL-DTL-3950

Technical Characteristics

• Nominal Thread Size

  0.469 inches

• Thread Series Designator

  uns

• 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

• ~1

  data on certain environmental and performance

• Mounting Method

  threaded bushing

• Actuator Position-Action Relationship

  up position maintained and center position maintained

• Terminal Type And Quantity

  2 screw

• Body Height

  0.890 inches minimum and 0.930 inches maximum

• Thread Quantity Per Inch

  32

• Bushing Length

  0.455 inches minimum and 0.485 inches maximum

• Body Width

  0.635 inches maximum

• Nonpile-Up Contact Arrangement

  1 pole, single throw, both positions maintained single switch unit

• Inclosure Type

  fully inclosed

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Features Provided

  actuator seal

• Overall Length

  1.270 inches maximum

• Actuator Style

  round

• Body Style

  bushing mount

• Actuator Diameter

  0.237 inches minimum and 0.243 inches maximum

• Body Length

  1.270 inches maximum

• Contact Load Current Rating At Maximum Rated Voltage

  10.000 amperes inductive ac and 15.000 amperes resistive ac and 15.000 amperes resistive dc and 15.000 amperes inductive dc and 5.000 amperes lamp dc and 3.000 amperes lamp ac

• Hazardous Locations/Environmental Protection

  vaportight

• Thread Class

  2a

• Actuator Height

  0.665 inches minimum and 0.695 inches maximum