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 6620-01-557-6512
NSN 5996-01-160-5588
NSN 6685-01-425-1719
NSN 6105-00-846-2686
NSN 7035-01-388-6943
NSN 5996-00-543-1566
NSN 5985-00-389-7389
NSN 5905-00-332-0372
NSN 5990-00-554-0366
NSN 5985-01-369-9836
NSN 6620-01-036-6687
NSN 5950-01-631-2024