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 5910-01-123-9850
NSN 6220-01-290-1647
NSN 6135-00-276-7625
NSN 5985-01-406-4957
NSN 5920-01-234-7269
NSN 6135-01-275-9767
NSN 6685-00-291-1416
NSN 6240-00-045-4588
NSN 6145-01-581-8118
NSN 5960-01-516-7264
NSN 5990-00-797-7649
NSN 5915-00-389-1126