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 5999-00-811-5531
NSN 4140-00-320-8614
NSN 4140-01-106-4456
NSN 5835-01-423-9203
NSN 5855-01-191-3404
NSN 5998-01-519-9273
NSN 5945-01-157-9781
NSN 6610-00-946-3618
NSN 6645-01-332-8982
NSN 5855-01-464-3152
NSN 5996-01-434-6774
NSN 4140-01-380-1066