D-18469 ITEM 55

Technical Characteristics

• Contact Load Current Rating At Maximum Rated Voltage

  0.500 amperes resistive ac

• Terminal Type And Quantity

  2 tab, solder lug

• End Item Identification

  4210-01-137-9944 truck,fire,crash

• Overall Length

  0.984 inches nominal

• Overall Width

  0.630 inches nominal

• Body Style

  bushing mounted

• Actuator Height

  0.256 inches nominal

• Thread Class

  2a

• Nominal Thread Size

  0.469 inches

• Body Length

  0.187 inches nominal

• Thread Series Designator

  uns

• Mounting Method

  threaded bushing

• Maximum Voltage Rating In Volts

  125.0 ac

• Actuator Color

  black single actuator

• Precious Material

  silver

• Thread Quantity Per Inch

  32

• Actuator Diameter

  0.272 inches nominal

• Overall Height

  0.630 inches nominal

• Bushing Length

  0.374 inches nominal

• Inclosure Type

  fully inclosed

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally closed, double break, momentary action single switch unit

• Precious Material And Location

  contact surfaces silver