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 5925-00-756-0462
NSN 6110-01-442-3544
NSN 5945-00-872-2789
NSN 6320-01-072-2073
NSN 5965-01-485-3501
NSN 5855-01-364-9810
NSN 5930-01-265-4693
NSN 5998-00-823-5659
NSN 5915-01-258-2165
NSN 5915-00-191-5894
NSN 5915-01-525-7731
NSN 5935-00-285-2767