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 5996-01-442-9988
NSN 5999-01-279-4443
NSN 5915-01-433-0276
NSN 5985-01-421-1517
NSN 6610-00-632-6645
NSN 6320-00-513-8376
NSN 5915-00-822-1290
NSN 5855-01-572-8993
NSN 5950-01-652-3667
NSN 2925-01-281-6403
NSN 5920-01-531-8991
NSN 4140-00-051-9581