An exemplary retaining assembly for a ball lock pin includes a bushing assembly configured to attachably engage an object. The bushing assembly has an inner surface and an outer surface. The inner surface defines an engagement portion configured to receive locking balls urged therein in engagement. The outer surface is configured to be received within the object. The bushing assembly can include any suitable bushing member as desired, such as a press fit bushing, a serrated press fit bushing, a diamond knurl bushing, a key insert bushing, a template bushing, and the like. The bushing assembly can be a lock bushing configured to receive therein a lock ring. The lock ring can be inserted into the lock bushing and around a tapered portion of a shaft of a ball lock pin to help prevent the ball lock pin from being removed from the bushing assembly.