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 6610-01-372-9248
NSN 6320-01-346-5158
NSN 5925-00-165-0371
NSN 5930-01-406-3965
NSN 5985-01-476-7652
NSN 5996-01-220-2896
NSN 5915-01-586-0890
NSN 5905-01-079-8599
NSN 6110-01-339-9401
NSN 6110-01-502-5617
NSN 5998-01-609-3510
NSN 5999-01-418-1751