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.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 4140-00-144-6833
NSN 5945-00-296-8464
NSN 5925-01-138-1786
NSN 5996-01-500-9861
NSN 5996-00-670-0881
NSN 5855-00-055-1694
NSN 6320-01-185-3857
NSN 2925-00-442-0974
NSN 6130-01-176-5442
NSN 5930-01-523-9354
NSN 2925-00-698-4882
NSN 6650-01-510-9488