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 5905-01-137-2257
NSN 5925-00-196-6978
NSN 5996-00-409-2063
NSN 6650-01-260-5480
NSN 4140-00-141-9162
NSN 5960-01-585-6385
NSN 5935-01-417-8729
NSN 6145-01-085-4609
NSN 5999-00-891-9249
NSN 2925-01-359-4027
NSN 5960-01-483-7769
NSN 6650-01-470-8578