Sizes series 05-100
05-100 threaded off line connection
 compound thru 500 psi female

sizes in inch.     go to sizes in mm.
A B
female		 C
female		 E F G H with ⅛"
flush. port
  instrument process          
1.97 ¼"NPT ¼"NPT 1.42 0.43 0.51 1.61 E + 0.59
1.97 ¼"NPT ½"NPT 1.57 0.63 0.51 1.61 E + 0.55
1.97 ½"NPT ¼"NPT 1.61 0.43 0.71 1.61 E + 0.59
1.97 ½"NPT ½"NPT 1.77 0.63 0.71 1.61 E + 0.55