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 5855-00-167-7893
NSN 6650-01-006-1526
NSN 5935-01-120-7760
NSN 5950-00-012-5896
NSN 5920-01-514-7007
NSN 6610-00-916-7462
NSN 5990-01-317-4427
NSN 5985-01-036-5247
NSN 6130-00-443-6226
NSN 5965-01-593-3916
NSN 6110-01-029-3403
NSN 5930-01-092-7117