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 5915-01-101-3447
NSN 4140-01-391-6462
NSN 6645-01-091-0009
NSN 6130-00-426-0058
NSN 6620-01-424-6925
NSN 6645-01-484-6498
NSN 4140-01-259-9260
NSN 5920-01-200-8244
NSN 6650-01-611-1058
NSN 5950-01-258-4994
NSN 5965-00-454-3444
NSN 5910-00-951-9692