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 5990-00-378-1449
NSN 6685-01-006-1851
NSN 5895-00-520-4040
NSN 5950-01-642-0685
NSN 5925-00-473-2622
NSN 4140-01-411-5908
NSN 5855-01-236-9645
NSN 5999-01-156-0007
NSN 5998-01-447-4218
NSN 6135-01-576-9616
NSN 5925-00-078-9566
NSN 5965-01-233-0355