TD-1921

Technical Characteristics

• Special Features

  weapon system essential

• Criticality Code Justification

  feat

• Body Width

  2.100 inches nominal

• Mounting Facility Quantity

  4 single group

• Transformer Winding Connection Type

  wye-wye

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.960 inches nominal single mounting facility single center group

• Body Height

  2.950 inches nominal

• Thread Quantity Per Inch

  32 single group

• Terminal Type And Quantity

  9 tab, solder lug

• Mounting Method

  threaded hole single group

• Inclosure Type

  fully inclosed

• Winding Function And Quantity

  1 primary single component and 1 secondary single component

• Input-Output Phase Relationship

  three phase to three phase single component

• Winding Operating Voltage

  1.42 ac kilovolts nominal single component single secondary

• Reliability Indicator

  not established

• Frequency Rating

  400.0 hertz nominal single component

• Thread Class (Non-Core)

  err-070

• Winding Operating Current

  64.0 milliamperes ac maximum single component single secondary

• Winding Operating Voltage

  115.00 ac volts nominal single component single primary

• Thread Series Designator

  unc single group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.640 inches nominal single mounting facility single center group

• Body Length

  3.550 inches nominal

• End Item Identification

  593/7; helicopter: ch-53 a/d/e, sof/hh-53h pave low, super jolly h-53; fms-a7 aircraft

• Nominal Thread Size

  0.138 inches single group