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 5930-00-513-7940
NSN 5910-01-107-7807
NSN 5985-01-109-1697
NSN 6320-01-607-2978
NSN 5965-01-501-2390
NSN 5895-00-362-2371
NSN 6650-01-364-7331
NSN 2925-01-257-0695
NSN 5895-01-562-6848
NSN 7035-00-574-4223
NSN 2925-01-609-8464
NSN 5895-00-831-8334