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 6220-01-522-0013
NSN 5910-01-508-2314
NSN 5998-01-062-0789
NSN 5950-01-489-1164
NSN 7035-01-028-4966
NSN 6685-01-413-7604
NSN 6685-00-208-7724
NSN 6685-01-314-6200
NSN 6620-01-198-9448
NSN 5915-01-444-4946
NSN 5998-01-425-1291
NSN 6220-01-025-6140