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 6110-01-303-8236
NSN 5999-01-545-1864
NSN 2925-00-066-9700
NSN 6135-01-646-5986
NSN 5985-01-456-1539
NSN 5985-01-157-7892
NSN 6150-00-402-0799
NSN 6135-01-184-0727
NSN 6145-01-617-7056
NSN 5835-01-336-1153
NSN 6650-01-189-0975
NSN 7035-01-332-2304