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 6620-00-932-6508
NSN 5835-01-090-0784
NSN 5855-00-058-1293
NSN 6105-00-397-3622
NSN 5975-01-419-1072
NSN 6685-01-491-5501
NSN 5960-01-312-1262
NSN 5998-01-437-9736
NSN 5950-01-356-5788
NSN 6145-01-640-6511
NSN 5935-01-476-7328
NSN 4140-00-264-5796