By Keyword By Item # | All Categories Coupling All Categories > Products by Type > Couplings > Coupling > Advanced Search Advanced Search in Coupling Unit of Measure Imperial Metric Both Specifications Nominal Pipe/Tube Size (in) No Preference 1 1 1/2 1 1/4 1/2 1/4 2 2 1/2 3 3/4 3/8 4 5/8 7/8 Fitting Bore I.D. for Pipe/Tube (in) No Preference 0.23 0.26 0.39 0.50 0.51 0.56 0.63 0.64 0.69 0.70 0.76 0.77 0.81 0.86 0.87 0.89 0.90 1.02 1.03 1.07 1.08 1.15 1.26 1.33 1.34 1.38 1.40 1.52 1.66 1.68 1.69 1.92 1.93 1.94 2.02 2.17 2.40 2.42 2.52 2.92 3.54 4.55 Fitting Bore I.D. for Pipe/Tube (mm) No Preference 5.8 6.6 9.9 12.7 13.0 14.2 16.0 16.3 17.5 17.8 19.3 19.6 20.6 21.8 22.1 22.6 22.9 25.9 26.2 27.2 27.4 29.2 32.0 33.8 34.0 35.1 35.6 38.6 42.2 42.7 42.9 48.8 49.0 49.3 51.3 55.1 61.0 61.5 64.0 74.2 89.9 115.6 Fitting Material Brass Copper-Nickel Microalloyed Steel SAE 4130 Alloy Steel Stainless Steel Fitting Size No Preference P04 P06 P08 P12 P16 P20 P24 P32 P40 P48 P64 T04 T06 T08 T10 T12 T14 T16 T20 T24 T32 T40 Clear Cancel Advanced Search