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 6650-00-409-8949
NSN 4140-01-350-3277
NSN 5855-01-612-5116
NSN 5855-01-033-1375
NSN 4140-01-052-5221
NSN 5960-01-550-8038
NSN 6645-01-392-9615
NSN 5975-01-094-2362
NSN 6130-00-763-0098
NSN 6620-01-606-2002
NSN 6135-00-321-6707
NSN 5950-00-922-8754