X21-556-W18-1S

Technical Characteristics

• Included Contact Quantity

  4 single mating end 1st contact grouping

• Threaded Device Type

  back shell and coupling facility

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.062 inches nominal

• Polarization Method

  key, multiple key groove

• Contact Material

  copper alloy single mating end all contact groupings

• Contact Surface Treatment

  gold single mating end all contact groupings

• Nominal Thread Size

  1.062 inches and 1.125 inches

• Specification/Standard Data

  96906-ms3450 government standard

• Mating End Quantity

  1

• Nominal Thread Length

  0.290 inches and 0.625 inches

• Special Features

  in order to complete the connector assembly,the user must obtain/provide the backshell. standard versions may be ordered as nsn 5935-01-177-9556,p/n m85049/52-1-18w for the straight style,or nsn 5935-01-174-3671,p/n m85049/51-1-18w for the right angle

• Distance From Mounting Shoulder To Front Face

  0.750 inches minimum and 0.781 inches maximum

• Precious Material

  gold

• Overall Length

  2.125 inches maximum

• Contact Maximum Dc Voltage Rating In Volts

  700.0 single mating end 1st contact grouping

• Precious Material And Weight

  0.010 gold grains, troy

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Unthreaded Mounting Hole Diameter

  0.115 inches minimum and 0.130 inches maximum

• Thread Direction

  right-hand

• Connector Locking Method

  externally threaded shell

• Contact Surface Treatment Document And Classification

  mil-g-45204 mil spec single treatment response single mating end all contact groupings

• Terminal Location

  back single mating end all contact groupings

• Shell Material

  aluminum alloy

• Contact Maximum Dc Voltage Rating In Volts

  250.0 single mating end 2nd contact grouping

• Shell Surface Treatment

  cadmium

• Contact Removability

  removable single mating end all contact groupings

• Contact Maximum Ac Voltage Rating In Volts

  200.0 single mating end 2nd contact grouping

• Shell Surface Treatment Document And Classification

  qq-p-416,type 2,class 3 fed spec single treatment response

• Insert Position In Deg

  0.0

• Contact Maximum Ac Voltage Rating In Volts

  500.0 single mating end 1st contact grouping

• Included Contact Type

  round socket single mating end all contact groupings

• Precious Material And Location

  contact surfaces gold

• Thread Series Designator

  unef

• Test Data Document

  81349-mil-c-5015 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

• Overall Height

  1.375 inches nominal

• Contact Position Arrangement Style

  18-1 single mating end

• Body Style

  straight shape, external coupling w/backshell

• Shell Type

  solid

• Included Contact Quantity

  6 single mating end 2nd contact grouping

• Contact Maximum Current Rating In Amps

  22.0 single mating end all contact groupings

• Overall Width

  1.375 inches nominal

• Thread Class

  2a

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.062 inches nominal

• Insert Material

  silicon single mating end

• Thread Quantity Per Inch

  18

• Terminal Type

  crimp single mating end all contact groupings

• ~1

  style.

• ~1

  data on certain environmental and performance