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 6610-01-023-6073
NSN 5905-00-211-4320
NSN 5950-01-557-4828
NSN 5945-01-167-3459
NSN 5835-01-632-6627
NSN 6150-01-107-2869
NSN 5985-00-299-3510
NSN 4140-01-144-3751
NSN 6145-01-529-9831
NSN 6610-01-007-5997
NSN 6105-01-201-4311
NSN 6220-00-983-6920