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 6130-01-254-9655
NSN 6685-00-071-4001
NSN 5855-01-448-0695
NSN 5925-00-416-8226
NSN 5930-00-104-6148
NSN 4140-01-280-5364
NSN 5985-00-545-5120
NSN 5960-01-115-6840
NSN 5945-01-112-3056
NSN 6130-01-597-7918
NSN 5945-01-449-3957
NSN 5935-01-641-3995