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 5960-00-289-6591
NSN 6610-01-337-4640
NSN 5960-01-188-4558
NSN 6150-01-329-6291
NSN 5950-01-141-2061
NSN 6320-01-116-9866
NSN 6105-01-547-2707
NSN 6150-01-195-4247
NSN 5985-00-177-8635
NSN 5855-00-879-5849
NSN 5960-01-499-7172
NSN 6135-01-265-1384