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 6620-01-467-2111
NSN 6645-01-651-0039
NSN 5930-00-480-6005
NSN 6650-01-388-2538
NSN 5960-01-138-5897
NSN 5915-00-226-5461
NSN 5950-00-557-9895
NSN 6320-01-516-3836
NSN 5998-01-634-0604
NSN 5855-01-341-2518
NSN 7035-00-104-7613
NSN 6610-00-832-9983