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 6620-01-457-9100
NSN 6645-00-843-8837
NSN 6150-01-573-1732
NSN 5999-01-629-0165
NSN 5975-01-138-7413
NSN 5945-00-769-5421
NSN 5965-01-468-5583
NSN 5930-00-573-0208
NSN 5985-00-026-9573
NSN 5905-01-235-9454
NSN 5996-01-060-5925
NSN 5975-01-011-1313