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 5910-01-075-7115
NSN 5930-01-308-7314
NSN 6105-01-360-9624
NSN 5945-00-859-8398
NSN 6145-01-415-2658
NSN 5975-00-876-4299
NSN 5905-01-280-1028
NSN 6145-01-563-4878
NSN 5855-00-411-8688
NSN 6645-01-289-0376
NSN 7035-00-421-8710
NSN 5960-00-543-1956