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 6645-00-276-7544
NSN 5945-01-507-3637
NSN 5965-00-444-0621
NSN 5999-01-499-9973
NSN 6240-01-361-9167
NSN 6610-01-618-7038
NSN 5905-00-840-6669
NSN 6105-01-328-8511
NSN 5960-01-052-9573
NSN 5905-01-110-0847
NSN 6135-01-268-7056
NSN 6135-01-074-2529