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 5960-01-318-6557
NSN 5975-01-444-1703
NSN 5925-00-928-2621
NSN 5975-01-266-5592
NSN 6145-01-433-0453
NSN 5855-01-455-8024
NSN 5998-01-069-4395
NSN 5925-01-146-5528
NSN 6110-00-202-2990
NSN 5985-01-004-9716
NSN 5855-00-532-0025
NSN 5960-00-843-0018