Split Lock Washer, For Screw Size 5/16 in 15 PK X1 Spring Washers or Split Lock Washers provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut.
.External Retaining Ring, Steel Black Oxide Finish, 1-1/4 in Shaft Dia, 50 PK X1 Snap Ring / External Retaining Ring are designed to hold components in place on a grooved shaft.