R644-2

Technical Characteristics

• Distance Between Mounting Facility Centers

  4.030 inches nominal

• Mating End Quantity

  1

• Contact Removability

  nonremovable

• Connector Locking Method

  friction

• Contact Surface Treatment

  gold and nickel

• Insert Material

  plastic diallyl phthalate

• Included Contact Quantity

  44

• Included Contact Type

  bifurcated spring

• Precious Material And Location

  contact surfaces gold

• Precious Material And Weight

  0.044 gold grains,troy

• Precious Material

  gold

• Overall Length

  4.360 inches nominal

• Overall Height

  1.060 inches nominal

• Overall Width

  0.350 inches nominal

• Unthreaded Mounting Hole Diameter

  0.128 inches nominal

• Board Accommodated Length

  3.600 inches nominal

• Board Accommodated Width

  0.062 inches nominal

• Contact Maximum Current Rating In Amps

  5.0

• Polarization Method

  inter-contact polarizing keys

• Terminal Location

  back

• Contact Material

  copper alloy

• Contact Surface Treatment Document And Classification

  mil-g-45204 mil spec all treatment responses (use only when all treatment is controlled by the same document and classifications are identical)

• Terminal Type

  wire wrap

• Contact Material Document And Classification

  qq-b-750 fed spec single material response

• Insert Material Document And Classification

  mil-m-14 mil spec single material response