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 5895-01-218-0602
NSN 6220-00-379-4044
NSN 5920-00-866-3945
NSN 5985-01-646-0858
NSN 5996-01-431-7716
NSN 6220-01-518-6827
NSN 5960-01-495-0859
NSN 6145-01-014-5209
NSN 5930-01-475-6259
NSN 6220-01-622-1315
NSN 5930-01-408-4202
NSN 6110-00-893-9802