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 5930-01-258-5621
NSN 6110-00-842-6731
NSN 6150-01-425-2499
NSN 4140-01-034-1135
NSN 6685-00-081-7708
NSN 6645-01-648-4439
NSN 6650-01-073-1738
NSN 6320-01-029-4220
NSN 6220-01-513-1161
NSN 7035-01-412-3692
NSN 6685-00-104-7149
NSN 5998-00-055-2071