551-291

Technical Characteristics

• Threaded Device Type

  back shell and coupling facility

• Contact Removability

  nonremovable single mating end single contact grouping

• Precious Material And Weight

  0.020 gold grains, troy

• Mating End Quantity

  1

• Precious Material

  gold

• Included Contact Quantity

  4 single mating end single contact grouping

• Bushing Accommodation Hole Shape

  round

• Distance From Mounting Shoulder To Front Face

  0.188 inches nominal

• Thread Class

  2a and 2a

• Insert Material

  plastic single mating end

• Mounting Facility Thickness

  0.078 inches nominal

• Contact Material

  copper alloy single mating end single contact grouping

• Terminal Type

  tab, solder lug single mating end single contact grouping

• Connector Locking Method

  externally threaded shell

• Overall Length

  1.062 inches nominal

• Thread Direction

  right-hand and right-hand

• Shell Material

  aluminum alloy

• Contact Surface Treatment Document And Classification

  mil-g-45204 mil spec single treatment response single mating end single contact grouping

• Overall Diameter

  0.781 inches nominal

• Body Style

  straight shape, external coupling

• Precious Material And Location

  contact surfaces gold

• Included Contact Type

  round socket single mating end single contact grouping

• Thread Quantity Per Inch

  28 and 28

• Terminal Location

  back single mating end single contact grouping

• Nominal Thread Size

  0.562 inches and 0.562 inches

• Shell Type

  solid

• Contact Surface Treatment

  gold single mating end single contact grouping

• Shell Surface Treatment

  anodize

• Thread Series Designator

  un and un