MIL-DTL-3950

Technical Characteristics

• Test Data Document

  81349-mils-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

• Thread Series Designator

  uns

• Nominal Thread Size

  0.469 inches

• Actuator Height

  0.665 inches minimum and 0.695 inches maximum

• Hazardous Locations/Environmental Protection

  vaportight

• Body Length

  1.270 inches maximum

• Actuator Diameter

  0.237 inches minimum and 0.243 inches maximum

• Body Style

  bushing mount

• Actuator Style

  round

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally open, momentary action single switch unit

• Features Provided

  actuator seal

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Inclosure Type

  fully inclosed

• Body Width

  0.635 inches maximum

• Bushing Length

  0.455 inches minimum and 0.485 inches maximum

• Thread Quantity Per Inch

  32

• End Item Identification

  mrap - common nsn - used on 2 mrap variants and 134 other weapon systems including 21n - nuclear reactors program

• Body Height

  0.890 inches minimum and 0.930 inches maximum

• Terminal Type And Quantity

  2 screw

• Mounting Method

  threaded bushing

• Overall Length

  1.270 nominal centimeters

• Contact Load Current Rating At Maximum Rated Voltage

  15.000 amperes resistive dc and 10.000 amperes inductive dc and 15.000 amperes resistive ac and 7.000 amperes inductive ac and 4.000 amperes lamp dc and 2.000 amperes lamp ac

• Actuator Position-Action Relationship

  up position maintained and down position momentary