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 5960-00-763-5390
NSN 5935-00-480-0837
NSN 5998-00-287-6355
NSN 5990-00-106-6609
NSN 6110-01-461-3612
NSN 5925-00-491-2686
NSN 5930-00-888-9865
NSN 5920-01-573-9782
NSN 5996-01-279-0143
NSN 5855-01-647-5398
NSN 6650-00-559-1462
NSN 6685-00-308-9431