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 7035-01-123-0085
NSN 5930-00-278-7731
NSN 6620-00-593-5313
NSN 5835-01-076-8445
NSN 6110-00-646-4421
NSN 5945-01-467-2242
NSN 6110-00-635-2091
NSN 5835-00-378-1429
NSN 5965-00-106-3195
NSN 6105-01-512-8752
NSN 6130-00-266-7496
NSN 5835-01-416-6455