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 5999-01-049-8352
NSN 5975-00-796-8995
NSN 6645-00-609-7214
NSN 6220-00-870-3593
NSN 5930-01-568-1054
NSN 5920-01-065-1824
NSN 5960-00-617-3129
NSN 6645-01-080-6052
NSN 5835-00-614-0650
NSN 6610-01-627-0642
NSN 6650-00-053-4907
NSN 6145-00-974-3987