SAE ARP688B
SAE ARP688B Reusable Lock for Spanner Nuts (Stabilized: Apr 2018)
standard by SAE International, 04/28/2018
Full Description
This aerospace recommended practice is applicable to the design of a reusable locking device for cylindrical nuts which are generally tightened with a spanner wrench. Nuts of this type are commonly used to pre-load, and/or position, anti-friction bearings.