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 5975-01-500-3808
NSN 5905-01-472-7526
NSN 6645-00-838-6939
NSN 6685-00-985-5221
NSN 6150-01-598-5087
NSN 5965-00-518-0958
NSN 6220-00-267-6940
NSN 6105-01-469-7054
NSN 4140-01-212-3113
NSN 6135-01-104-1847
NSN 4140-01-627-4837
NSN 5935-01-249-7388