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 2925-00-090-5018
NSN 5905-00-252-3876
NSN 5915-01-089-7930
NSN 6320-01-357-0728
NSN 6145-01-565-3863
NSN 6620-00-724-1263
NSN 6610-01-468-6880
NSN 6620-01-100-0431
NSN 5998-01-391-6787
NSN 5835-01-093-3211
NSN 5935-00-455-9595
NSN 5990-01-473-4314