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 5910-00-658-0674
NSN 6685-00-984-6096
NSN 5996-01-388-3329
NSN 6685-01-366-4300
NSN 5905-00-527-7149
NSN 6145-00-478-6554
NSN 6105-00-907-5124
NSN 7035-01-487-4314
NSN 5895-01-541-3381
NSN 6620-01-422-9708
NSN 5975-00-248-9516
NSN 6145-01-420-6132