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 6110-01-414-5305
NSN 5910-01-089-8395
NSN 5905-01-629-7861
NSN 5920-01-617-0623
NSN 7035-00-232-4043
NSN 5925-00-269-2685
NSN 6105-00-757-3613
NSN 6685-01-020-8756
NSN 5925-01-518-7163
NSN 5935-01-445-6725
NSN 6610-00-482-7339
NSN 6620-00-858-1043