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 5998-01-525-7948
NSN 4140-00-635-9195
NSN 6620-00-383-8740
NSN 5960-00-119-4476
NSN 6620-00-881-3908
NSN 2925-00-233-5644
NSN 5990-00-067-6791
NSN 6610-00-729-6479
NSN 5990-00-754-2842
NSN 5996-01-242-8347
NSN 6610-01-523-8547
NSN 4140-00-200-9082