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 5855-01-472-2302
NSN 5935-00-881-0774
NSN 6105-01-092-8242
NSN 7035-00-111-4389
NSN 2925-00-200-0085
NSN 6105-00-794-5810
NSN 5996-00-030-7503
NSN 6110-01-011-8083
NSN 6220-01-340-0665
NSN 6135-00-896-3187
NSN 5945-01-179-4192
NSN 5998-01-529-9578