A tab washer with a long tab is bent up against a flat on the nut after tightening, mechanically locking it so it cannot back off under vibration. Bore size, tab length, and the nut it has to suit are the things to match.
This is one of the many components CSG manages for manufacturers, from stocking through to replenishment. Request a quote or browse related parts.
Engineering support for material and finish selection
Global sourcing for lead time and cost optimization
Supply continuity and program support
Consolidate standard and custom parts through one partner