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 5965-01-494-6829
NSN 5935-01-272-9592
NSN 5960-00-398-1029
NSN 7035-00-513-9764
NSN 5999-01-219-4601
NSN 6685-00-493-9851
NSN 6105-01-370-7646
NSN 5990-01-284-1595
NSN 6135-00-985-7846
NSN 6145-01-364-7837
NSN 4140-01-138-6950
NSN 6685-00-941-4087