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 6110-00-363-3974
NSN 7035-00-312-3055
NSN 5975-00-552-1764
NSN 5965-01-379-7706
NSN 5835-01-097-5693
NSN 5945-00-306-0986
NSN 5960-01-181-2143
NSN 6220-01-371-1058
NSN 5855-01-384-3314
NSN 5999-00-659-0711
NSN 5996-00-460-5075
NSN 6650-00-067-3572