18-1977

Technical Characteristics

• Thread Direction

  right-hand

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.670 inches nominal

• Frequency Rating

  400.0 hertz nominal

• Input-Output Phase Relationship

  single phase to single phase

• Body Length

  2.100 inches maximum

• Inclosure Type

  fully inclosed

• Mounting Facility Quantity

  4

• Mounting Method

  threaded hole

• Winding Function And Quantity

  1 primary and 1 secondary

• Nominal Thread Size

  0.138 inches

• Winding Operating Voltage

  6.30 ac volts nominal

• Cognizant Service

  usaf

• Thread Class

  2b

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.670 inches nominal

• Body Width

  2.000 inches maximum

• Body Height

  3.000 inches maximum

• Winding Operating Current

  0.5 amperes ac maximum

• Thread Series Designator

  unc

• Terminal Type And Quantity

  2 threaded stud and 2 wire lead