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 5965-00-175-8972
NSN 6650-01-382-8569
NSN 6650-01-593-5993
NSN 5935-00-055-8152
NSN 6610-00-186-9180
NSN 6610-00-038-8148
NSN 5985-01-426-8726
NSN 5925-00-230-8723
NSN 6130-01-318-4321
NSN 5996-01-186-9731
NSN 5925-01-376-7569
NSN 6240-01-397-6336