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 5935-01-172-0086
NSN 5915-01-345-3829
NSN 6220-01-280-3983
NSN 5930-01-607-6620
NSN 6610-00-905-6780
NSN 5915-01-250-1217
NSN 6645-00-434-8793
NSN 6135-01-141-4916
NSN 6610-00-292-9895
NSN 6645-01-025-1002
NSN 6650-00-966-5205
NSN 6220-01-312-2035