MIL-DTL-3950

Technical Characteristics

• 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

• Overall Width

  1.660 inches maximum

• Thread Quantity Per Inch

  32

• Inclosure Type

  fully inclosed

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Overall Length

  1.340 inches maximum

• Contact Load Current Rating At Maximum Rated Voltage

  18.000 amperes resistive dc and 4.000 amperes lamp dc and 10.000 amperes inductive dc and 11.000 amperes resistive ac and 8.000 amperes inductive ac and 2.000 amperes lamp ac

• Features Provided

  actuator seal

• Bushing Length

  0.450 inches minimum and 0.490 inches maximum

• Actuator Diameter

  0.235 inches minimum and 0.245 inches maximum

• Actuator Style

  round

• Body Length

  1.340 inches maximum

• Body Width

  1.660 inches maximum

• Nonpile-Up Contact Arrangement

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

• Body Style

  bushing mount

• Actuator Height

  0.660 inches minimum and 0.720 inches maximum

• Terminal Type And Quantity

  8 screw

• Thread Class

  2a

• Nominal Thread Size

  0.469 inches

• Thread Series Designator

  uns

• ~1

  data on certain environmental and performance

• Overall Height

  2.530 inches nominal

• Mounting Method

  threaded bushing

• Body Height

  0.970 inches nominal

• Actuator Position-Action Relationship

  up position maintained and down position momentary