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 5935-01-248-3859
NSN 2925-01-573-1067
NSN 6110-00-828-1820
NSN 5905-00-146-8526
NSN 6130-01-243-3326
NSN 5985-00-832-8382
NSN 7035-01-339-3665
NSN 5935-01-166-7574
NSN 5965-01-398-7109
NSN 5930-01-562-5519
NSN 5935-01-553-2024
NSN 5985-00-336-5813