21D

Technical Characteristics

• Overall Diameter

  0.688 inches nominal

• Overall Length

  0.945 inches nominal

• 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

• Surface Treatment Document And Classification

  qq-p-416,ty 1,cl 1 fed spec single treatment response

• Style Designator

  helix spring hold down with hook

• Eia Electron Tube Envelope Accommodated

  t-5 1/2

• Overall Height

  1.875 inches nominal

• Tube Envelope Accommodated Maximum Diameter

  0.750 inches

• Unthreaded Mounting Hole Diameter

  0.132 inches nominal single mounting facility

• Accommodated Item Securing Device Type

  spring clamp

• Tube Accommodated Maximum Height

  1.500 inches

• Surface Treatment

  cadmium