21D3

Technical Characteristics

• Surface Treatment

  zinc

• Eia Electron Tube Envelope Accommodated

  t5 1/2

• Overall Diameter

  0.758 inches nominal

• Overall Height

  1.875 inches nominal

• Tube Envelope Accommodated Maximum Diameter

  0.688 inches

• Unthreaded Mounting Hole Diameter

  0.132 inches nominal single mounting facility

• Tube Accommodated Maximum Height

  1.500 inches

• Material

  steel

• Mounting Facility Type And Quantity

  1 unthreaded hole single mounting facility

• Distance From Retainer Center To Centerline Of Mounting Facility

  0.469 inches nominal

• Overall Length

  0.973 inches nominal

• Style Designator

  helix spring hold down with hook