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 6320-01-261-2848
NSN 5975-00-879-4935
NSN 4140-01-607-6551
NSN 5930-01-314-2950
NSN 6150-00-173-3964
NSN 5985-01-520-9347
NSN 6220-01-017-2734
NSN 5950-01-267-7148
NSN 5975-01-318-5591
NSN 6620-00-553-8988
NSN 5975-01-011-2570
NSN 6685-00-082-3153