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 5920-01-559-4725
NSN 6240-00-299-6968
NSN 5999-01-071-6413
NSN 6145-01-200-8643
NSN 6220-00-539-8769
NSN 5910-01-342-5699
NSN 5835-00-764-1895
NSN 5950-01-289-0923
NSN 6620-01-575-9561
NSN 6645-01-366-4344
NSN 5965-01-007-9757
NSN 5925-00-723-6148