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 copper having a pressure rating of 850 kpa or over
NSN 6650-01-657-1395
NSN 2925-00-802-1418
NSN 6240-01-068-5961
NSN 5920-00-100-7219
NSN 6110-00-260-0130
NSN 6130-01-098-7175
NSN 6135-01-383-1910
NSN 7035-01-062-0184
NSN 5998-01-062-0012
NSN 5920-00-898-7830
NSN 6110-01-038-6709
NSN 6645-01-340-4191