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 4140-00-295-0787
NSN 6685-00-850-2369
NSN 5960-00-215-3754
NSN 5999-00-401-3002
NSN 5920-01-559-2658
NSN 4140-00-785-1962
NSN 5915-00-063-3689
NSN 5985-01-090-7562
NSN 5925-01-463-9258
NSN 5965-00-840-6542
NSN 5855-01-565-9428
NSN 6220-00-719-7714