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 6150-00-071-6899
NSN 5935-01-093-1812
NSN 5910-01-495-0619
NSN 6645-00-542-1206
NSN 5930-01-550-7868
NSN 2925-00-507-2109
NSN 6130-01-506-4553
NSN 5985-01-632-6813
NSN 6620-01-363-4792
NSN 6130-00-226-5083
NSN 6645-01-492-9823
NSN 5996-00-446-1701