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 6240-01-232-9496
NSN 5996-00-339-7078
NSN 6145-00-526-3056
NSN 6645-01-305-1124
NSN 6135-00-276-7625
NSN 6220-01-634-0660
NSN 6240-01-060-6037
NSN 6645-00-300-0401
NSN 6610-01-531-1079
NSN 6110-01-505-1623
NSN 5915-01-008-4766
NSN 6320-01-281-6028