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 6610-01-605-1161
NSN 6320-00-857-4073
NSN 5996-01-386-4230
NSN 6220-00-429-0950
NSN 5930-01-657-4829
NSN 5960-01-073-8454
NSN 6685-01-468-6711
NSN 6610-01-236-8359
NSN 5950-01-459-9463
NSN 5950-01-181-6799
NSN 6145-00-562-7463
NSN 6150-01-209-3842