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 6620-01-007-8368
NSN 2925-01-608-6895
NSN 2925-01-197-7864
NSN 5990-00-421-0956
NSN 6105-00-156-4312
NSN 6220-01-290-5152
NSN 6240-00-057-0886
NSN 6240-01-367-5756
NSN 5990-01-218-5160
NSN 6145-01-171-7868
NSN 4140-01-447-9883
NSN 6105-01-629-8137