NSN: 5945-00-201-5916

Technical Characteristics

• Nominal Thread Size

  0.138 inches single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  85.0 volts -80 deg fahrenheit type 4f single winding

• Mounting Facility Type And Quantity

  3 threaded stud single mounting facility

• Frequency In Hertz

  60.0 nominal

• Main Contact Maximum Voltage Rating In Volts

  300.0 ac

• Main Contact Load Current Rating At Maximum Rated Voltage

  100.0 milliamperes ac resistive load

• Winding Dc Resistance Rating

  6.5 kilohms nominal single winding

• Environmental Protection

  hermetic

• Nonpile-Up Main Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Winding Quantity

  1

• Overall Height

  2.060 inches nominal

• Thread Class

  2a single mounting facility

• Mounting Facility Pattern

  triangle single mounting facility

• Arc Quenching Method

  inert gas

• Overall Width

  1.430 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To The Altitude Of An Isosceles Triangle

  1.1875 inches nominal single mounting facility

• End Item Identification

  type no. an/msq-1a

• Nominal Operating Current Rating And Type

  10.0 milliamperes ac single winding

• Coil Quantity

  1

• Thread Series Designator

  unc single mounting facility

• Terminal Type And Quantity

  4 pin all functions

• Overall Length

  1.620 inches nominal

• Duty Type

  continuous