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 5996-00-556-7708
NSN 6620-01-360-4725
NSN 6650-00-935-4247
NSN 6150-01-575-5354
NSN 7035-01-381-6185
NSN 5990-01-432-4984
NSN 5930-01-104-4492
NSN 6135-01-654-3958
NSN 6620-01-407-1158
NSN 6130-00-557-0170
NSN 6145-00-323-6021
NSN 6110-00-054-2527