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 6685-01-043-7538
NSN 5915-01-311-2701
NSN 5855-01-451-7389
NSN 2925-01-434-6945
NSN 5855-00-631-4565
NSN 6105-00-575-9720
NSN 5999-00-984-4523
NSN 5935-01-657-3570
NSN 6220-00-681-1678
NSN 5965-01-271-9990
NSN 5998-01-113-7997
NSN 5998-01-599-9343