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 5945-01-627-5503
NSN 5905-01-240-4012
NSN 5965-01-422-9770
NSN 6220-01-476-1652
NSN 6105-01-219-4471
NSN 5915-01-019-6598
NSN 5945-00-683-8334
NSN 5910-00-353-6649
NSN 5975-01-167-8515
NSN 6220-01-194-2963
NSN 5920-01-039-1557
NSN 5930-01-040-8320