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 5905-01-656-8844
NSN 6150-01-639-8152
NSN 5990-01-211-6136
NSN 5999-01-058-1528
NSN 6240-00-781-1034
NSN 6685-00-486-5150
NSN 5945-00-282-3181
NSN 2925-00-051-1467
NSN 5895-01-613-2651
NSN 5935-01-026-0965
NSN 6620-01-518-7803
NSN 7035-00-238-3662