3 in. Valve size
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 steel
NSN 5895-00-494-0781
NSN 6105-00-003-6141
NSN 6150-01-270-8676
NSN 4140-01-275-6963
NSN 6320-00-070-4544
NSN 5975-01-387-7627
NSN 5999-01-268-1921
NSN 5960-01-503-4123
NSN 5915-01-597-3926
NSN 6220-01-560-1198
NSN 6620-01-107-2965
NSN 6620-01-530-3198