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 5910-01-316-9530
NSN 5930-01-432-2155
NSN 6130-01-445-8658
NSN 5905-01-457-7028
NSN 6620-01-031-8180
NSN 6145-01-517-6561
NSN 6645-01-268-0544
NSN 5905-01-143-0152
NSN 6320-01-309-7615
NSN 5999-01-180-0294
NSN 4140-01-367-2820
NSN 5960-01-369-3628