MIL-C-28731/18

Technical Characteristics

• Polarization Method

  guide pin/socket

• Contact Surface Treatment Document And Classification

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

• Threaded Device Type

  coupling facility

• Contact Position Arrangement Style

  120 single mating end

• Test Data Document

  81349-mil-c-28731 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  2.365 inches minimum and 2.385 inches maximum

• Body Style

  straight shape, rectangular

• Guide Design And Location

  key shape socket right-hand at 9 oclock

• Thread Direction

  right-hand

• Unthreaded Mounting Hole Diameter

  0.134 inches minimum and 0.154 inches maximum

• Included Contact Type

  hermaphrodite single mating end single contact grouping

• Insert Material

  plastic diallyl phthalate glass filled single mating end or plastic polyester single mating end

• Thread Quantity Per Inch

  24

• Center To Center Distance Between Mounting Facilities Parallel To Height

  0.865 inches minimum and 0.885 inches maximum

• Contact Removability

  removable single mating end single contact grouping

• Connector Locking Method

  post jacksocket

• Precious Material And Location

  contact surfaces gold

• Terminal Location

  back single mating end single contact grouping

• Overall Length

  0.793 inches minimum and 0.813 inches maximum

• Guide Design And Location

  key shape socket left-hand at 3 oclock

• Overall Width

  2.740 inches minimum and 2.760 inches maximum

• ~1

  data on certain environmental and performanc

• Contact Material Document And Classification

  qq-b-750 fed spec single material response single mating end single contact grouping

• Thread Series Designator

  unc

• Nominal Thread Size

  0.190 inches

• Specification/Standard Data

  81349-mil-c-28731/18 government specification

• Environmental Protection

  corrosion resistant and thermal shock resistant and vibration resistant

• Mating End Quantity

  1

• Terminal Type

  wire wrap single mating end single contact grouping

• Thread Class

  2b

• Precious Material

  gold

• Contact Surface Treatment

  gold single mating end single contact grouping and nickel single mating end single contact grouping

• Included Contact Quantity

  120 single mating end single contact grouping

• Insert Material Document And Classification

  mil-m-14,ty sdg-f or ty gdi-20f mil spec 1st material response single mating end or mil-m-24519 mil spec 2nd material response single mating end

• Precious Material And Weight

  0.120 gold grains, troy

• Contact Material

  copper alloy single mating end single contact grouping

• Overall Height

  1.521 inches minimum and 1.541 inches maximum