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 6650-00-853-3575
NSN 6320-00-369-1333
NSN 6685-01-428-9618
NSN 6645-01-507-2657
NSN 6130-01-584-5315
NSN 6610-00-500-6944
NSN 6610-01-400-2296
NSN 2925-01-267-1598
NSN 5895-01-508-1844
NSN 5975-01-290-3717
NSN 6650-01-518-9679
NSN 6220-01-435-5956