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 5996-01-283-9351
NSN 5998-00-950-4966
NSN 5835-01-654-1251
NSN 6320-01-446-6775
NSN 6105-01-158-6505
NSN 5910-01-307-1971
NSN 7035-01-119-6271
NSN 5950-01-080-0467
NSN 5835-01-442-6482
NSN 6105-00-295-0958
NSN 6145-01-427-9844
NSN 5905-00-918-2262