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 6645-00-844-7848
NSN 5960-01-123-9553
NSN 5855-01-067-4129
NSN 5985-00-918-3843
NSN 5835-01-079-6441
NSN 5930-01-317-3977
NSN 5905-01-503-4888
NSN 6650-01-360-3848
NSN 6130-00-266-7496
NSN 6620-00-798-6866
NSN 5996-01-455-2198
NSN 5910-01-308-2047