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 4140-01-381-4752
NSN 5925-01-224-1758
NSN 6150-01-362-7518
NSN 6110-01-215-4206
NSN 5855-01-379-3160
NSN 5930-01-329-5226
NSN 5965-01-658-3827
NSN 6320-00-646-3311
NSN 6610-00-420-6826
NSN 5930-00-247-0863
NSN 7035-00-020-2227
NSN 6685-01-443-3284