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 5910-01-214-3613
NSN 6110-00-456-2058
NSN 5996-01-515-5770
NSN 2925-00-109-4694
NSN 5985-00-238-9435
NSN 5915-01-018-3137
NSN 6130-01-060-5671
NSN 6240-01-004-9634
NSN 6610-01-469-6235
NSN 5990-01-633-9503
NSN 5930-00-322-9499
NSN 6150-01-608-6800