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 6220-00-657-2098
NSN 5935-01-388-5662
NSN 5920-01-027-0660
NSN 5999-01-461-9837
NSN 5999-00-932-6365
NSN 5925-01-170-4150
NSN 5990-01-357-6175
NSN 5905-00-546-2997
NSN 5960-00-633-6923
NSN 5999-01-245-5219
NSN 6645-00-337-8276
NSN 6685-01-290-9381