McMaster 90026A103 18 8 Stainless Steel Long Life Wire Snap Cotter Pin, 1 16" Wire Diameter, 1 5 8" Usable Length G6638585 Pressure 200 psi Pipe Fitting Pressure 200 psi Pipe Fitting Connection Type Press x Male Pipe Thread Basic Pipe Fitting Material Metal Specific Pipe Fitting Shape Adapter Maximum Operating Pressure 200 psi O Ring Material EPDM Fitting Material Bronze Fitting Side B Connection Type MNPT Minimum Operating Temperature 0 Degrees F Maximum Operating Temperature 250 Degrees F Fitting Side A Connection Type Press Fit Fitting Shape Straight Application Potable Water Operating Temperature Minimum 0 Degrees F For Media Type Potable Water Operating Pressure Maximum 200 psi Connector Type Adapter Fitting Side 1 Connection Type Press fit Fitting Side 2 Connection Type MNPT Operating Temperature Maximum 250 Degrees F Center Stop Type Dimple Center Stop Country of Origin Germany interior capacity They also offer more security than hairpins and standard wire snap pins these pins resist rusting