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 5960-01-006-6507
NSN 5920-01-447-8643
NSN 6130-01-651-8244
NSN 5975-01-131-6300
NSN 6110-00-440-0312
NSN 5950-01-341-7560
NSN 5999-01-029-0987
NSN 5965-00-518-0958
NSN 6610-01-616-2877
NSN 5975-01-185-2304
NSN 6240-01-368-2605
NSN 5895-01-362-5581