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 2925-01-329-3665
NSN 6610-01-453-4269
NSN 5965-01-391-1703
NSN 5996-00-112-2892
NSN 6105-01-124-9815
NSN 6650-01-472-6753
NSN 5915-00-284-5430
NSN 5975-01-652-6985
NSN 5925-01-168-3943
NSN 6105-00-912-3744
NSN 6130-00-394-3421
NSN 5998-01-147-5326