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 5910-01-464-4460
NSN 5925-01-390-8822
NSN 5915-00-782-7662
NSN 6130-01-170-3721
NSN 5930-01-141-2058
NSN 6105-01-577-5310
NSN 5990-01-280-0321
NSN 5855-00-991-0096
NSN 6240-00-076-2752
NSN 5910-00-557-0923
NSN 5925-01-565-7681
NSN 5965-01-601-8507