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 6220-01-082-2901
NSN 6110-00-539-9543
NSN 4140-00-935-5360
NSN 5990-01-335-7948
NSN 5935-00-949-1130
NSN 5996-01-155-2467
NSN 6240-00-812-2998
NSN 5855-01-607-2990
NSN 5999-00-224-1521
NSN 5915-00-263-2175
NSN 5998-00-768-2357
NSN 5996-01-432-1145