Self-management is a characteristic of many forms of socialism, with proposals for self-management having appeared many times throughout the history of the socialist movement, advocated variously by market socialists, communists, and anarchists. There are many variations of self-management.
The Loctite 0.2 fl. oz. Blue 242 Thread Locker is designed to lock and seal threaded fasteners to prevent loosening from vibration. It prevents leaks and the rusting of threads. It eliminates the need to stock expensive lock nuts and lock washers. California residents: see Proposition 65 information.
Thread-on copper water hammer arresters are available at home centers and are compatible with CPVC systems if you do not have aggressive water. Do not use pipe thread compound on the threaded fittings. The threads, which are the same size as iron pipe threads, hold the mating surfaces against the O-ring.