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 5925-00-034-1293
NSN 5915-00-518-4656
NSN 6130-01-052-2007
NSN 5920-00-248-8896
NSN 6150-01-157-6319
NSN 5945-00-517-9566
NSN 5930-01-123-9108
NSN 7035-01-501-5938
NSN 5960-01-649-1341
NSN 6645-01-486-4305
NSN 5835-01-307-8954
NSN 5855-01-431-8937