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 6220-01-566-8275
NSN 6220-00-856-0496
NSN 4140-00-300-8111
NSN 5999-01-597-8913
NSN 7035-01-219-7987
NSN 6610-00-126-7425
NSN 5999-00-233-7536
NSN 7035-01-647-9698
NSN 6145-00-891-6779
NSN 5999-01-329-8228
NSN 6105-01-415-3314
NSN 5920-00-189-0858