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 steel
NSN 6145-01-411-9054
NSN 6320-01-170-4068
NSN 6620-01-418-3245
NSN 5925-01-153-0144
NSN 5910-00-689-1616
NSN 6610-01-461-1644
NSN 6650-01-412-1490
NSN 5998-01-254-7029
NSN 5910-01-417-7350
NSN 5915-01-411-9573
NSN 5935-00-615-9436
NSN 6610-00-530-3955