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 6620-01-296-0873
NSN 5925-00-013-9423
NSN 5920-01-228-6830
NSN 5835-01-034-2040
NSN 5990-00-797-7649
NSN 5920-00-752-3081
NSN 6240-01-171-6452
NSN 2925-01-185-9144
NSN 5920-01-463-3525
NSN 5930-00-737-5088
NSN 6685-01-168-2916
NSN 6685-01-176-6869