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 5985-00-364-7835
NSN 6685-01-395-2653
NSN 5905-01-412-1601
NSN 5915-00-829-6874
NSN 5910-01-197-4672
NSN 5950-01-226-1074
NSN 5905-01-659-9717
NSN 6130-01-388-6665
NSN 6135-01-100-3593
NSN 4140-00-117-4842
NSN 5950-00-962-5724
NSN 5999-01-118-5836