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 6620-01-181-1757
NSN 6135-00-557-8874
NSN 5905-01-443-1911
NSN 5960-01-425-1454
NSN 5975-00-608-1021
NSN 6320-00-382-7825
NSN 2925-00-163-9016
NSN 7035-01-287-9817
NSN 5855-00-944-0949
NSN 5915-00-725-0679
NSN 5910-00-260-6944
NSN 6610-00-226-4710