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 5960-01-617-6345
NSN 5985-01-051-6106
NSN 5999-01-125-4879
NSN 5925-01-641-0230
NSN 6135-01-274-3546
NSN 5920-01-537-9627
NSN 6220-00-156-0860
NSN 4140-00-361-4691
NSN 5935-01-226-2658
NSN 5950-01-197-7625
NSN 5985-01-148-9172
NSN 6220-00-483-4044