McMaster 9194N115 Chemical Resistant Viton Fluoroelastomer O Ring, High Pressure, 1 16 Width, Dash No. 014, ID 1 2" × OD 5 8", Pack of 5 1420508 Grade Coarse Grade Coarse Bushing Body Shape Hex Material Alloy 20 Stainless Steel Pressure Class Not Rated Fabrication Annealed Connection Type Pipe Connection Style Threaded Connection NPT Male × NPT Female Pipe Size (A) 3 4 Pipe Size (B) 1 2 Length 1 1 8" Hex Width 1 1 16" For Pipe Schedule 40 Pipe Material Alloy 20 Stainless Steel For Flange Class 150 Flange Material Alloy 20 Stainless Steel Specifications Met ASME B16 These O rings are tested to NORSOK M 710 standards for rapid gas decompression and extrusion resistance 629" Hardness Durometer 95A (Hard) Maximum Pressure 2