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 6220-01-219-7621
NSN 4140-01-495-8354
NSN 5996-00-025-8026
NSN 6620-00-010-8190
NSN 6645-01-660-3097
NSN 5990-00-140-1159
NSN 6645-01-592-2557
NSN 5915-01-442-6711
NSN 6610-01-177-5033
NSN 5925-00-805-3653
NSN 5945-01-646-3882
NSN 4140-01-386-5630