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 5945-01-155-9566
NSN 7035-00-135-4758
NSN 6220-00-419-0635
NSN 5996-01-558-6043
NSN 5999-01-563-6101
NSN 6145-01-240-3909
NSN 5930-00-575-9905
NSN 5999-01-294-8297
NSN 5855-00-058-1293
NSN 6240-01-342-3274
NSN 5930-01-535-5121
NSN 5985-01-218-5530