Instrumentation Fittings Application Gas Hydraulic Tubing Systems Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type Compression Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 1/2 in Fitting Side B Tube Outer Diameter 1/2 in Fitting Side C Tube Outer Diameter 1/2 in Thread Size C 3/4-20 Thread Size B 3/4-20 Thread Size A 3/4-16 System of Measurement Imperial