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 6130-00-849-6298
NSN 6610-01-444-4001
NSN 6685-00-143-4747
NSN 5915-01-042-0144
NSN 5945-01-318-1583
NSN 5835-01-488-6678
NSN 5965-01-611-0131
NSN 6240-00-243-8336
NSN 5835-01-602-0311
NSN 6620-01-097-7078
NSN 5855-01-369-5037
NSN 6135-01-613-9509