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 6105-00-932-3627
NSN 6620-00-542-1579
NSN 5935-00-124-0038
NSN 6130-01-461-7765
NSN 5910-00-427-1731
NSN 5920-01-614-3346
NSN 5950-01-152-6102
NSN 6220-01-592-3976
NSN 6220-01-316-9436
NSN 5920-01-150-9912
NSN 5999-01-206-9939
NSN 6130-00-107-2093