81-20-8B18-1S

Technical Characteristics

• Thread Direction

  right-hand

• Body Style

  13a angle shape, w/o cable clamp

• Overall Diameter

  1.344 inches maximum

• Body Angle In Deg

  90.0

• Contact Removability

  nonremovable single mating end all contact groupings

• Contact Maximum Ac Voltage Rating In Volts

  500.0 single mating end 1st contact grouping

• Insert Position In Deg

  0.0

• Connector Locking Method

  internally threaded coupling ring

• Distance From Centerline To Connector End

  2.188 inches maximum

• Nominal Thread Length

  0.375 inches and 0.719 inches

• Terminal Location

  back single mating end all contact groupings

• Insert Material

  plastic single mating end

• Terminal Type

  solder well single mating end all contact groupings

• Shell Surface Treatment

  anodize

• Included Contact Quantity

  4 single mating end 1st contact grouping

• Included Contact Quantity

  6 single mating end 2nd contact grouping

• Design Control Reference

  81-20-8b18-1s

• Thread Series Designator

  unef

• Test Data Document

  81349-mil-c-5015 specification

• Manufacturers Code

  38597

• Iii Precious Material

  silver

• Iii Precious Material And Location

  contact surface silver

• Included Contact Type

  round socket single mating end all contact groupings

• Shell Material

  aluminum alloy

• Contact Surface Treatment

  silver single mating end all contact groupings

• Nominal Thread Size

  1.000 inches and 1.125 inches

• Thread Quantity Per Inch

  18

• Distance From Centerline To Cable End

  1.312 inches maximum

• Shell Type

  split

• Polarization Method

  keyway or multiple keyway

• Contact Maximum Dc Voltage Rating In Volts

  700.0 single mating end 1st contact grouping

• Contact Maximum Dc Voltage Rating In Volts

  250.0 single mating end 2nd contact grouping

• Contact Maximum Ac Voltage Rating In Volts

  200.0 single mating end 2nd contact grouping

• Contact Maximum Current Rating In Amps

  22.0 single mating end all contact groupings

• Contact Position Arrangement Style

  alae 18-1 single mating end

• Mating End Quantity

  1

• Threaded Device Type

  back shell and coupling facility

• Thread Class

  2a and 2b