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 5895-01-544-9687
NSN 4140-00-081-6814
NSN 5945-01-525-7779
NSN 6220-01-603-5421
NSN 5985-01-484-8928
NSN 6130-00-860-9651
NSN 5990-01-390-2177
NSN 5855-00-494-9581
NSN 5950-00-225-0787
NSN 4140-00-895-3417
NSN 5996-00-446-3784
NSN 5999-00-361-0383