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 5910-01-195-6933
NSN 5985-00-291-9974
NSN 5996-00-597-2234
NSN 6685-01-478-6736
NSN 6110-01-573-5929
NSN 6130-01-529-3871
NSN 5950-00-991-3798
NSN 5925-01-169-0995
NSN 7035-00-585-2113
NSN 5835-01-532-9373
NSN 7035-01-254-3044
NSN 6130-01-502-1945