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 5996-01-313-7963
NSN 5930-01-462-4632
NSN 5985-01-480-9482
NSN 6610-01-110-3802
NSN 5930-01-442-4601
NSN 5965-01-109-2917
NSN 5925-00-584-7189
NSN 6105-01-106-2631
NSN 5835-01-325-5677
NSN 5895-00-766-9431
NSN 6685-01-345-4834
NSN 5930-00-224-9233