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 6685-01-538-1879
NSN 5905-01-232-3918
NSN 5935-00-705-9329
NSN 6650-01-509-8018
NSN 6135-00-299-6918
NSN 6145-01-278-9675
NSN 6130-00-231-0660
NSN 6620-01-557-1941
NSN 5965-01-138-1865
NSN 5935-01-068-2539
NSN 6685-01-481-3864
NSN 5965-00-230-8818