121A542-1

Technical Characteristics

• Contact Removability

  nonremovable all mating ends single contact grouping

• Mating End Quantity

  2

• Precious Material And Weight

  0.304 gold grains, troy

• Overall Height

  0.675 inches nominal

• Precious Material And Location

  contact surfaces gold

• Contact Material

  copper alloy 172 all mating ends single contact grouping

• Shell Material

  aluminum alloy 6061

• Nominal Thread Size

  0.086 inches

• Shell Type

  solid

• Included Contact Quantity

  152 1st mating end single contact grouping

• Connector Locking Method

  friction

• Shell Surface Treatment Document And Classification

  mil-a-8625,ty 2,cl 2 mil spec single treatment response

• Shell Surface Treatment

  anodize

• Included Contact Quantity

  152 2nd mating end single contact grouping

• Overall Width

  0.490 inches nominal

• Contact Surface Treatment Document And Classification

  mil-g-45204,ty 2,grade c,cl 1 mil spec 1st treatment response all mating ends single contact grouping and qq-n-290,cl 2 fed spec 2nd treatment response all mating ends single contact grouping

• Thread Series Designator

  unc

• Threaded Device Type

  mounting hole

• Distance Between Mounting Facility Centers

  4.440 inches nominal

• Thread Class

  2b

• Precious Material

  gold

• Included Contact Type

  square socket all mating ends single contact grouping

• Shell Material Document And Classification

  qq-a-200/8 fed spec single material response or qq-a-225/8 fed spec single material response

• Contact Material Document And Classification

  qq-b-533,3/4 hard fed spec single material response all mating ends single contact grouping

• Thread Quantity Per Inch

  56

• Terminal Type

  pin all mating ends single contact grouping

• Thread Direction

  right-hand

• Contact Surface Treatment

  gold all mating ends single contact grouping and nickel all mating ends single contact grouping

• Overall Length

  4.630 inches nominal

• Terminal Location

  back all mating ends single contact grouping

• Body Style

  straight shape