1/2" npt
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 5895-01-521-8126
NSN 6610-00-361-6954
NSN 5945-01-301-4095
NSN 5985-00-790-2782
NSN 5915-01-453-1731
NSN 4140-01-266-4519
NSN 4140-01-340-1927
NSN 5920-00-893-8679
NSN 6620-01-537-4121
NSN 2925-01-572-0539
NSN 5905-01-351-5678
NSN 6650-01-389-9212