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 6110-01-300-5930
NSN 6645-01-134-2976
NSN 5945-01-175-5779
NSN 5960-01-654-4353
NSN 5996-01-209-2599
NSN 6685-01-176-6869
NSN 5945-00-030-2003
NSN 7035-01-445-3563
NSN 5950-01-361-9148
NSN 5965-00-903-6298
NSN 5965-00-243-9496
NSN 4140-01-307-8237