K421-1

Technical Characteristics

• Surface Treatment

  any acceptable bushing

• Mounting Facility Type And Quantity

  1 bushing

• Thread Series Designator

  uns

• Body Length

  0.657 inches nominal

• Thread Class

  2a

• Identification Code Color

  black

• Thread Quantity Per Inch

  40

• Nominal Thread Size

  0.312 inches

• Thread Direction

  right-hand

• Terminal Type

  tab, solder lug

• Material

  any acceptable terminal

• Bushing Thru-Hole Accommodation Diameter

  0.312 inches nominal

• Surface Treatment

  any acceptable terminal

• Electrical Insulation Feature

  insulated completely

• Material

  plastic insulator

• Body Style

  threaded bushing mounted

• Finger Accommodation Length

  0.500 inches nominal single finger

• Overall Length

  0.969 inches nominal

• Material

  beryllium copper spring

• Material

  brass bushing

• Overall Diameter

  0.500 inches nominal

• Bushing Accommodation Hole Shape

  round

• Surface Treatment

  cadmium spring

• Finger Accommodation Diameter

  0.080 inches nominal single finger

• Accommodated Finger Type

  test prod single finger

• Mounting Bushing Length

  0.469 inches nominal

• Material

  brass body

• Material

  plastic cap