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 6620-01-278-8028
NSN 5996-01-549-9915
NSN 5990-00-309-0023
NSN 5930-01-119-1707
NSN 6240-01-401-5340
NSN 6320-01-521-1764
NSN 6110-01-260-0032
NSN 5930-01-010-1483
NSN 6650-01-599-9849
NSN 7035-01-656-3538
NSN 6145-01-443-3721
NSN 6240-00-349-9323