MIL-C-28748/9

Technical Characteristics

• Thread Direction

  right-hand

• Overall Length

  1.440 inches maximum

• Overall Height

  2.380 inches minimum and 2.400 inches maximum

• Overall Width

  2.865 inches minimum and 2.885 inches maximum

• Environmental Protection

  humidity resistant and shock resistant and thermal shock resistant and vibration resistant

• Unthreaded Mounting Hole Diameter

  0.143 inches minimum and 0.155 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.845 inches minimum and 1.855 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  2.495 inches minimum and 2.505 inches maximum

• Threaded Device Type

  coupling facility

• Mating End Quantity

  1

• Contact Position Arrangement Style

  heaa 212 single mating end

• Shell Type

  solid

• Connector Locking Method

  jackscrew

• Thread Quantity Per Inch

  28

• Nominal Thread Size

  0.250 inches

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  cadmium and chromate

• Insert Material Document And Classification

  mil-m-14,ty sdg-f mil spec single material response or mil-p-19833,ty gdi-30f mil spec single material response single mating end

• (Non-Core Data) Jackscrew Type And Location

  male center

• (Non-Core Data) Missing Contact Type And Quantity

  212 round pin

• Manufacturers Code

  81349

• Non-Definitive Government Spec/Std Reference

  mil-c-28748/9

• Thread Series Designator

  unf

• Specification/Standard Data

  81349-mil-c-28748/9 government specification

• Thread Class

  2a

• Body Style

  31g straight shape, rectangular

• Polarization Method

  jackscrew

• Iii Operating Temp Rating

  -55.0 deg celsius minimum and 125.0 deg celsius maximum

• Insert Material

  plastic diallyl phthalate glass filled single mating end

• Shell Surface Treatment Document And Classification

  qq-p-416,ty 2,cl 1 or 2 fed spec all treatment responses

• Definitive Government Spec/Std Reference

  m28748/9h0al

• Test Data Document

  81349-mil-c-28748 specification