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 6610-00-780-6779
NSN 6320-01-039-5891
NSN 6685-00-081-2044
NSN 5920-01-361-8835
NSN 6650-00-917-0436
NSN 6220-01-411-5629
NSN 6620-01-461-0899
NSN 5998-01-347-4256
NSN 6650-01-367-5172
NSN 7035-01-300-7608
NSN 6320-00-261-9136
NSN 6150-01-446-6681