Octagon Slotted Self-locking Nut

A nut having a flat bearing surface and 8 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes nut (1), self-locking castellated, octagon.