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 5945-01-359-3028
NSN 7035-01-271-1643
NSN 5990-00-170-4239
NSN 5990-01-331-2221
NSN 5998-00-955-5901
NSN 6620-01-436-2715
NSN 5999-01-073-0657
NSN 5985-00-752-6077
NSN 5975-00-254-5124
NSN 5985-01-597-7044
NSN 6135-01-295-8315
NSN 5990-01-023-3307