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 6150-00-401-1855
NSN 6650-01-013-3243
NSN 6150-00-531-5454
NSN 5999-01-645-9440
NSN 2925-00-486-8640
NSN 5950-00-035-5000
NSN 5915-01-340-5953
NSN 6610-01-570-3185
NSN 5910-00-103-7970
NSN 6150-01-648-2430
NSN 5910-01-420-2660
NSN 5950-00-842-7794