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 5910-01-448-0956
NSN 5990-00-150-6979
NSN 5960-01-031-1759
NSN 6110-01-258-8960
NSN 6650-01-233-6307
NSN 5925-01-250-3306
NSN 5960-00-114-1828
NSN 5960-01-278-2852
NSN 5905-01-175-6064
NSN 6105-01-429-3283
NSN 5905-01-351-5678
NSN 4140-01-006-7426