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 6105-01-251-9490
NSN 2925-01-121-3355
NSN 5998-01-257-2107
NSN 6145-00-915-4179
NSN 6240-01-645-7751
NSN 5945-01-487-6446
NSN 5985-01-219-9563
NSN 5910-01-578-1215
NSN 5960-01-039-7840
NSN 2925-01-184-5201
NSN 6105-00-536-4569
NSN 5930-01-385-5086