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 5975-00-229-0898
NSN 6130-01-584-6752
NSN 6645-01-274-8770
NSN 6685-00-896-6150
NSN 5985-01-557-4308
NSN 6240-01-259-4265
NSN 2925-00-149-0760
NSN 5985-00-960-9086
NSN 5895-00-267-7430
NSN 5945-00-846-8592
NSN 6645-01-400-1137
NSN 5935-00-139-2443