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 5996-01-446-5097
NSN 6650-00-138-3079
NSN 5895-00-970-4128
NSN 5930-01-105-1215
NSN 5998-00-827-0527
NSN 4140-00-246-4969
NSN 5895-01-602-9141
NSN 6240-01-416-5837
NSN 5975-00-228-0227
NSN 5960-01-343-5912
NSN 5930-01-330-1722
NSN 6610-00-160-3315