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 6220-00-271-4639
NSN 5965-00-419-9590
NSN 6110-01-170-3346
NSN 6105-01-519-1922
NSN 5920-00-682-0500
NSN 5905-01-029-3864
NSN 5998-00-915-6518
NSN 5945-01-207-1732
NSN 5855-01-165-6361
NSN 6620-01-587-1088
NSN 6240-01-253-0687
NSN 5915-00-553-8755