M28840/12AC1P1

Technical Characteristics

• Special Features

  insert arrangement 15-1; also 20-20 wire size pin in lieu 0f 20-22

• Shell Type

  solid

• Thread Class

  2a

• Included Contact Quantity

  21 single mating end single contact grouping

• Insert Material

  plastic fluorosilicone single mating end

• Nominal Thread Length

  0.625 inches

• End Item Identification

  an/srq-4

• Threaded Device Type

  coupling facility

• Terminal Type

  crimp single mating end single contact grouping

• Terminal Location

  back single mating end single contact grouping

• ~1

  type data on certain environmental and performa

• Connector Locking Method

  externally threaded shell

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Overall Length

  1.625 inches maximum

• Shell Material

  aluminum alloy

• Precious Material And Location

  contact surfaces silver

• Shell Surface Treatment

  cadmium

• Contact Surface Treatment

  silver single mating end single contact grouping

• Body Style

  straight shape, external coupling

• Contact Removability

  removable single mating end single contact grouping

• Overall Width

  1.238 inches minimum and 1.278 inches maximum

• Overall Height

  1.238 inches minimum and 1.278 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  0.968 inches nominal

• Included Contact Type

  round pin single mating end single contact grouping

• Environmental Protection

  thermal shock resistant and vibration resistant and corrosion resistant and moisture resistant

• Precious Material

  silver

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.968 nominal inches

• Mating End Quantity

  1

• Insert Position In Deg

  142.0 and 196.0 and 80.0 and 293.0

• Precious Material And Weight

  0.021 silver grains, troy

• Specification/Standard Data

  81349-mil-dtl-28840/12 government specification

• Nominal Thread Size

  1.062 inches

• Test Data Document

  81349-mil-dtl-28840 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

• Polarization Method

  keyway or multiple keyway

• Contact Material

  copper alloy single mating end single contact grouping

• Contact Surface Treatment Document And Classification

  qq-s-365 1st treatment response clear printed value single mating end single contact grouping

• Thread Quantity Per Inch

  10

• Distance From Mounting Shoulder To Front Face

  0.878 inches minimum and 0.898 inches maximum

• Contact Position Arrangement Style

  15-21 single mating end

• Unthreaded Mounting Hole Diameter

  0.115 inches minimum and 0.130 inches maximum

• Thread Direction

  right-hand

• Thread Series Designator

  double stub