81A4-28-21S

Technical Characteristics

• Thread Series Designator

  unef and double stub

• Connector Locking Method

  internally threaded coupling nut

• Overall Length

  1.797 inches nominal

• Terminal Type

  solder well single mating end single contact grouping

• Shell Material

  aluminum alloy

• Thread Direction

  right-hand and right-hand

• Mating End Quantity

  1

• Shell Surface Treatment

  anodize

• Body Style

  straight shape, internal coupling

• Thread Quantity Per Inch

  18 and 10

• Thread Class

  2a and 2b

• Contact Maximum Current Rating In Amps

  22.0 single mating end single contact grouping

• Included Contact Quantity

  37 single mating end single contact grouping

• Insert Material

  rubber single mating end

• Shell Type

  solid

• Terminal Location

  back single mating end single contact grouping

• Included Contact Type

  round socket single mating end single contact grouping

• Nominal Thread Size

  1.625 inches and 1.750 inches

• Contact Removability

  nonremovable single mating end single contact grouping

• Contact Maximum Dc Voltage Rating In Volts

  700.0 single mating end single contact grouping

• Overall Diameter

  2.060 inches maximum

• Contact Position Arrangement Style

  28-21 single mating end

• Contact Maximum Ac Voltage Rating In Volts

  500.0 single mating end single contact grouping

• Polarization Method

  key, multiple key groove

• Threaded Device Type

  back shell and coupling facility

• Insert Position In Deg

  0.0