FC3400K28-21S3

Technical Characteristics

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.546 inches minimum and 1.578 inches maximum

• Threaded Device Type

  coupling facility

• Thread Series Designator

  uns

• Shell Material

  steel

• Thread Class

  2b

• Connector Locking Method

  internally threaded coupling ring

• Overall Length

  2.125 inches maximum

• Overall Height

  1.969 inches minimum and 2.031 inches maximum

• Nominal Thread Size

  1.750 inches

• Polarization Method

  keyway or multiple keyway

• Contact Position Arrangement Style

  28-21 single mating end

• Thread Direction

  right-hand

• Shell Surface Treatment

  cadmium

• Overall Width

  1.969 inches minimum and 2.031 inches maximum

• Nominal Thread Length

  0.812 inches

• Body Style

  straight shape, external coupling

• Insert Position In Deg

  0.0

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.546 inches minimum and 1.578 inches maximum

• Missing Contact Type And Quantity (Non-Core)

  err-070

• Shell Type

  solid

• Thread Quantity Per Inch

  18

• Unthreaded Mounting Hole Diameter

  0.172 inches minimum and 0.187 inches maximum

• Mating End Quantity

  1

• Environmental Protection

  salt water resistant and moisture resistant and vibration resistant

• Distance From Mounting Shoulder To Front Face

  0.750 inches minimum and 0.781 inches maximum