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 6145-01-188-5856
NSN 6320-01-544-6447
NSN 5998-00-904-3285
NSN 6610-00-754-5124
NSN 6645-01-033-1171
NSN 6320-01-652-3806
NSN 6620-01-600-0479
NSN 5855-01-656-6808
NSN 5835-01-238-3381
NSN 5945-01-312-6455
NSN 5925-00-730-2777
NSN 6685-01-327-9396