McMaster 98338A524 Zinc Plated Carbon Steel Cotter Pin, 3 16" Dia × 4" Long, Pack of 50 G9889735 0015 in Bore Type Round 0015 in Bore Type Round Keyed Features 4 way Flexing Action Absorbs Shock 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 8 Pipe Size (B) 1 4 Length 61 64" Hex Width 11 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 0000 USMCA Qualifying Yes Pack Quantity 50 Cotter Pin Type Standard Pin Type Cotter Material Zinc Plated Carbon Steel Diameter 3 16" Length 4" Specifications Met ASME B18