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

sizes in inch.     go to sizes in mm.
A B
female		 D
male		 E F G H with ⅛"
flush. port
  instrument process          
1.97 ¼"NPT ¼"NPT 1.73 0.24 0.51 1.61 E + 0.51
1.97 ¼"NPT ½"NPT 1.93 0.47 0.51 1.61 E + 0.51
1.97 ½"NPT ¼"NPT 1.93 0.24 0.71 1.61 E + 0.51
1.97 ½"NPT ½"NPT 2.13 0.47 0.71 1.61 E + 0.51