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 7035-00-179-3924
NSN 5895-01-521-4033
NSN 5930-00-314-5137
NSN 5925-01-526-1894
NSN 6130-01-360-7642
NSN 5930-01-442-6314
NSN 6650-00-959-6869
NSN 5950-01-104-9240
NSN 5895-01-181-1289
NSN 5935-00-110-6447
NSN 5910-00-170-6784
NSN 5999-00-819-0034