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 5960-01-364-9795
NSN 5950-00-182-8204
NSN 5930-01-391-9730
NSN 5945-01-461-8494
NSN 5925-00-402-4018
NSN 5996-01-039-2704
NSN 5925-00-831-8882
NSN 5935-00-903-3513
NSN 6320-01-425-1417
NSN 5930-00-907-6399
NSN 5935-01-310-0707
NSN 5920-00-161-2813