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 6645-01-258-5558
NSN 6150-00-222-8988
NSN 6320-00-593-0379
NSN 6685-01-358-7054
NSN 5925-00-775-1717
NSN 6620-01-255-7757
NSN 6135-01-560-8130
NSN 6650-00-575-7487
NSN 5910-01-600-8747
NSN 5999-00-739-3660
NSN 6620-00-148-9613
NSN 5895-01-470-5790