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 6645-00-433-3075
NSN 5985-01-123-8667
NSN 7035-00-104-7613
NSN 5905-00-851-7486
NSN 4140-01-079-1146
NSN 5925-00-056-0898
NSN 5915-01-659-0990
NSN 5950-01-649-2980
NSN 6620-01-550-4606
NSN 6320-00-089-9425
NSN 6220-01-609-7059
NSN 6105-01-230-8656