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 6320-00-937-5625
NSN 6150-00-483-9088
NSN 5985-01-634-0635
NSN 5920-00-466-3950
NSN 5960-01-495-0859
NSN 7035-01-289-0684
NSN 6150-01-376-5827
NSN 5975-01-092-3050
NSN 6105-00-274-5460
NSN 6130-01-110-7762
NSN 6620-01-420-3386
NSN 5965-01-646-1122