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 5965-01-046-9619
NSN 6650-00-113-2971
NSN 5950-00-471-0562
NSN 6150-01-509-3505
NSN 5990-01-288-7393
NSN 5920-00-189-0858
NSN 5855-00-361-0167
NSN 5950-00-637-6131
NSN 6105-01-456-8455
NSN 5998-01-426-8989
NSN 6220-00-500-8555
NSN 6650-01-444-1212