The end connection identified above as the second end is the valve inlet
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 5915-01-643-5786
NSN 6220-01-089-0886
NSN 6135-00-062-5080
NSN 6610-01-474-5206
NSN 6685-01-580-0311
NSN 5960-01-395-9834
NSN 5990-00-789-1333
NSN 5915-01-163-4332
NSN 5935-01-097-3397
NSN 6620-01-400-2928
NSN 6150-01-303-5109
NSN 5935-01-468-1154