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 5960-00-368-2282
NSN 5960-01-186-5023
NSN 5999-00-170-3632
NSN 6650-01-572-5797
NSN 5910-00-876-9322
NSN 6320-00-360-1744
NSN 5950-00-925-1895
NSN 6610-01-541-4002
NSN 5975-00-361-7793
NSN 5895-01-240-2515
NSN 7035-00-054-3414
NSN 5999-01-449-0418