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 5895-00-548-9329
NSN 5835-01-058-6280
NSN 5895-00-556-2149
NSN 5855-01-224-7975
NSN 4140-01-279-0556
NSN 6620-00-269-8950
NSN 5998-00-908-5010
NSN 5999-00-082-3804
NSN 7035-00-922-5700
NSN 5999-01-066-7247
NSN 6150-01-435-5026
NSN 6685-01-225-4436