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 5895-01-508-6401
NSN 6135-00-134-6648
NSN 5915-00-468-3911
NSN 5910-01-463-0156
NSN 6645-00-536-1555
NSN 6135-00-027-3914
NSN 6150-01-481-7702
NSN 5835-01-007-5800
NSN 6320-01-352-8084
NSN 5925-00-932-3027
NSN 4140-01-517-5462
NSN 4140-01-461-1649