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 4140-01-059-2095
NSN 6620-01-239-7556
NSN 5905-01-056-7587
NSN 6620-00-947-3889
NSN 6130-01-188-6040
NSN 5925-01-004-5277
NSN 5990-00-787-4438
NSN 5925-00-897-4821
NSN 5950-01-460-2573
NSN 5895-01-176-4560
NSN 5990-00-594-7291
NSN 6130-01-512-3228