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 6320-00-857-4073
NSN 6220-01-180-3703
NSN 5960-01-098-0042
NSN 6645-01-356-6929
NSN 6645-01-540-0231
NSN 2925-00-246-3077
NSN 6130-00-726-3727
NSN 5930-01-282-0956
NSN 5915-01-608-4053
NSN 5945-00-517-9566
NSN 5910-01-227-0116
NSN 6240-01-377-5503