Cartridge type
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 5985-01-634-0635
NSN 5945-01-391-7993
NSN 6220-01-530-4468
NSN 5905-01-360-1441
NSN 5985-00-208-6751
NSN 5999-01-430-0156
NSN 6645-00-075-4764
NSN 6685-01-359-5732
NSN 4140-01-456-5685
NSN 6320-00-538-2132
NSN 6130-01-358-0009
NSN 6320-00-937-5625