Non return valve
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5999-00-158-5118
NSN 6650-00-113-4102
NSN 4140-00-052-4815
NSN 6130-01-502-9113
NSN 5975-00-248-5590
NSN 5925-00-155-2587
NSN 5960-01-205-0386
NSN 6145-00-935-2646
NSN 6220-01-449-2014
NSN 5920-00-146-5071
NSN 6130-01-281-6809
NSN 6135-01-010-0891