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 5945-01-617-1673
NSN 5996-01-242-9710
NSN 5945-01-269-6007
NSN 5950-01-415-8564
NSN 5990-01-353-6444
NSN 5998-00-244-1835
NSN 5920-00-721-0721
NSN 6620-00-511-3355
NSN 6135-00-567-1322
NSN 6135-01-177-3552
NSN 6685-01-388-7236
NSN 5945-01-473-1821