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 5999-01-328-5515
NSN 5985-00-925-1216
NSN 5910-01-621-6885
NSN 5990-01-571-3593
NSN 6110-01-644-4319
NSN 6130-01-239-9325
NSN 6110-01-362-8191
NSN 5998-01-169-7590
NSN 6620-01-148-9071
NSN 5915-01-423-8561
NSN 5835-01-460-6054
NSN 5855-01-634-0259