Figure 1: Pin insulator class56-1 

Note for 56-1: (1) ”J” neck 

                      (2) All dimensions are in inches

                      (3)Porcelain or metallic thread

Figure 2: Pin insulator class56-2 

       Note for 56-2: (1) ”K” neck 

                             (2) All dimensions are in inches

                             (3)Porcelain or metallic thread

         Figure 3: Pin insulator class56-3 

               Note for 56-3: (1) ”K” neck 

 (2) All dimensions are in inches

(3)Porcelain or metallic thread

Figure 4: Pin insulator class56-4

Note for 56-4: (1) All dimensions are in inches

           (2) Porcelain or metallic thread

                                                                     Figure 5: Pin insulator class56-5

Note for 56-5:(1) All dimensions are in inches                                                  

                                             (2)Porcelain or metallic thread