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 5999-00-637-9685
NSN 6105-01-411-6609
NSN 5985-00-889-0320
NSN 6645-01-175-1392
NSN 5835-01-029-5602
NSN 5998-01-063-3617
NSN 4140-01-610-1017
NSN 5925-01-521-3173
NSN 5990-01-430-9177
NSN 6240-01-417-2976
NSN 6610-00-008-0217
NSN 5930-01-503-4977