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 5930-00-229-6859
NSN 6645-01-527-2914
NSN 5985-00-915-9194
NSN 5960-00-958-9147
NSN 5910-01-455-6528
NSN 5975-01-050-5728
NSN 5855-01-605-2438
NSN 6110-00-705-5863
NSN 5960-01-503-0362
NSN 7035-00-135-4758
NSN 5950-00-484-1609
NSN 6650-01-504-4745