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 5990-00-412-4411
NSN 5999-01-012-1934
NSN 5999-01-489-6139
NSN 6610-01-555-8364
NSN 6105-01-338-9725
NSN 6220-00-059-7607
NSN 5925-01-174-1562
NSN 5930-00-254-2130
NSN 5910-00-495-4884
NSN 2925-01-357-2512
NSN 6610-01-041-1880
NSN 7035-01-026-0117