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 5835-01-460-6054
NSN 5965-01-261-0569
NSN 5835-01-282-9768
NSN 5915-00-211-2219
NSN 6320-01-317-3663
NSN 6240-00-827-0889
NSN 6645-00-950-6122
NSN 6135-01-396-0704
NSN 6150-00-284-2976
NSN 5945-01-544-1024
NSN 5965-00-918-2481
NSN 6150-00-856-6408