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 2925-01-579-8620
NSN 6240-00-304-7015
NSN 4140-01-011-1019
NSN 5990-00-807-3623
NSN 6220-00-934-9099
NSN 5895-01-531-3581
NSN 6320-01-481-7322
NSN 5855-00-688-9954
NSN 5925-00-348-3591
NSN 5996-01-632-8109
NSN 5950-00-895-7584
NSN 5985-01-390-1308