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 6150-01-184-9275
NSN 5930-01-634-0659
NSN 6685-01-071-7848
NSN 6645-01-394-5149
NSN 6145-01-146-5555
NSN 6145-00-598-9397
NSN 7035-01-280-4692
NSN 6220-01-024-9444
NSN 5935-00-740-8111
NSN 5996-00-963-1352
NSN 6685-01-158-6565
NSN 5920-00-409-9202