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 5996-00-981-1601
NSN 6105-01-473-0613
NSN 5930-01-128-3238
NSN 5950-01-146-4329
NSN 6610-01-592-1551
NSN 6145-00-104-6047
NSN 6145-00-125-5297
NSN 5920-01-277-6335
NSN 5935-00-502-9612
NSN 6685-01-039-0701
NSN 6610-00-457-0325
NSN 5985-01-361-8687