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 5920-01-592-2754
NSN 5999-01-219-7636
NSN 6150-01-540-3741
NSN 6220-00-556-0697
NSN 2925-00-078-0525
NSN 6150-01-098-6405
NSN 5930-01-280-5466
NSN 6110-01-165-6844
NSN 6110-01-380-0687
NSN 6105-01-470-6755
NSN 6650-01-329-8020
NSN 6135-01-578-1148