MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Shell Type

  solid

• Missing Contact Type And Quantity (Non-Core)

  err-070

• Thread Series Designator

  unef

• Overall Length

  1.243 inches nominal

• Body Style

  straight shape, external coupling

• Nominal Thread Size

  0.938 inches and 1.250 inches

• Contact Position Arrangement Style

  17-35 single mating end

• Shell Material

  aluminum alloy

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Connector Locking Method

  bayonet pin

• Bushing Accommodation Hole Shape

  round w/flat

• Thread Direction

  right-hand

• Distance From Mounting Shoulder To Front Face

  0.910 inches minimum and 0.920 inches maximum

• Insert Material

  plastic epoxy single mating end

• Insert Position In Deg

  95.0 and 132.0 and 232.0 and 0.0 and 260.0

• Overall Diameter

  1.734 inches minimum and 1.766 inches maximum

• Environmental Protection

  corrosion resistant and vibration proof and moisture proof and dust resistant and humidity resistant and oil resistant and shock resistant and thermal shock resistant and salt water resistant and fuel resistant and fungus resistant and vibration resistant

• Mating End Quantity

  1

• Threaded Device Type

  back shell and coupling facility

• Mounting Facility Thickness

  0.062 inches minimum and 0.125 inches maximum