508127-1

Technical Characteristics

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.625 inches nominal

• Actuator Diameter

  0.312 inches nominal

• Inclosure Type

  fully inclosed

• Body Height

  2.000 inches nominal

• Case Material

  metal

• Switch Release Force

  10.0 ounces minimum

• Body Length

  3.500 inches nominal

• Unthreaded Mounting Hole Diameter

  0.219 inches nominal

• Actuator Style

  round

• Switch Actuating Force

  28.0 ounces minimum and 54.0 ounces maximum

• Actuator Movement

  0.078 pretravel inches maximum and 0.188 overtravel inches minimum and 0.005 differential inches maximum

• Body Style

  hole mounted

• Body Width

  1.437 inches nominal

• Actuator Free Position Height

  1.396 inches nominal

• Terminal Type And Quantity

  3 screw

• Mounting Method

  threaded hole

• Actuator Height

  1.021 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary single switch unit

• Contact Load Current Rating At Maximum Rated Voltage

  400.000 milliamperes resistive dc and 10.000 amperes resistive ac

• Hazardous Locations/Environmental Protection

  dustproof and fungus resistant

• Nominal Thread Size

  0.190 inches

• Thread Series Designator

  unf

• Criticality Code Justification

  feat

• Maximum Voltage Rating In Volts

  125.0 ac and 125.0 dc

• Special Features

  weapon system essential

• End Item Identification

  4kidd class ddg, virginia class cgn (41), supply class aoe, spruance class dd (963), nimitx class cvn, arleigh burke class ddg, cvn 68 class reactor fill auxiliary system, forrestal class cv, oliver perry class ffg, mk 37 gun fire control system