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 5925-01-100-3631
NSN 6650-00-411-7132
NSN 6645-01-109-8780
NSN 5905-01-249-6355
NSN 6650-00-908-6358
NSN 5895-01-651-0861
NSN 5930-01-152-1909
NSN 5835-01-392-3105
NSN 5960-01-016-4126
NSN 6645-00-079-1430
NSN 5990-00-263-1289
NSN 5925-00-132-4305