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 5835-00-551-3050
NSN 6105-01-295-1773
NSN 5965-00-136-9623
NSN 5965-01-471-6946
NSN 5998-00-513-2743
NSN 6130-01-088-7779
NSN 6145-01-381-3958
NSN 6135-01-350-1715
NSN 6130-01-264-9276
NSN 5930-01-005-0062
NSN 6220-01-080-5343
NSN 5910-01-360-7003