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 materials other than copper, iron or steel
NSN 5990-01-392-5682
NSN 5930-00-083-2983
NSN 5990-01-393-2278
NSN 5996-01-430-2440
NSN 5945-01-560-1059
NSN 5915-01-649-9281
NSN 5855-01-307-7440
NSN 6620-01-163-3329
NSN 2925-01-212-1040
NSN 5985-01-576-8960
NSN 5996-01-069-2915
NSN 5920-00-484-3185