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 5930-01-437-4116
NSN 5998-00-419-3662
NSN 6240-00-519-3399
NSN 6685-01-180-0261
NSN 5965-01-447-0840
NSN 6650-01-423-9772
NSN 6145-01-391-0482
NSN 2925-00-844-2789
NSN 6135-01-294-2131
NSN 6685-00-269-6444
NSN 6685-01-285-9469
NSN 6620-00-348-4645