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 4140-01-237-5799
NSN 5950-01-277-0687
NSN 5930-00-281-4686
NSN 6650-01-290-4001
NSN 5855-01-453-1549
NSN 5985-00-839-1264
NSN 6610-01-068-7974
NSN 6145-01-461-7947
NSN 5925-01-476-8913
NSN 5920-01-357-9384
NSN 6220-00-300-8136
NSN 5895-01-408-6246