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 6105-00-246-0425
NSN 6220-01-350-3108
NSN 5996-00-648-6580
NSN 4140-01-086-4799
NSN 5985-00-598-4707
NSN 5945-01-242-9989
NSN 6320-01-521-1764
NSN 5835-01-442-6482
NSN 5835-01-399-5820
NSN 6135-00-284-1406
NSN 6135-01-534-3007
NSN 6135-00-782-6988