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 6105-00-246-5311
NSN 5920-01-150-6870
NSN 6320-00-521-9350
NSN 6150-01-463-5883
NSN 5985-01-569-5672
NSN 6650-01-556-0983
NSN 6145-01-170-3797
NSN 6240-01-649-6937
NSN 7035-01-194-9482
NSN 6150-01-127-4775
NSN 6105-01-439-2125
NSN 6620-01-029-3705