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 5996-01-174-0830
NSN 5945-01-152-2945
NSN 6320-00-422-9006
NSN 5996-00-213-7121
NSN 6150-01-634-0575
NSN 6685-01-194-3931
NSN 5935-01-162-4611
NSN 6135-01-607-5478
NSN 5895-01-361-1818
NSN 6135-01-340-9731
NSN 5925-00-179-8327
NSN 6130-01-454-9116