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 5905-01-373-5066
NSN 5998-00-014-4050
NSN 6620-00-928-6053
NSN 6320-01-162-5977
NSN 6610-00-795-2711
NSN 6105-01-487-6663
NSN 5965-00-153-5216
NSN 6220-01-122-3155
NSN 6105-00-675-0525
NSN 5990-01-100-1840
NSN 6620-01-448-8926
NSN 7035-00-360-2008