what about the nut huggers as a solution?
80 Series Nut Hugger- Toyota Solid Axle Knuckle
80 Series Nut Hugger- Toyota Solid Axle Knuckle (SAK-1)absolute-wits-end.com
Like the OE option, safety wire and the other nut retainers on the market, they help keep the nut from backing off but do nothing for stretch and sheer. Worth having.