Y swing check type
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 6620-00-838-6954
NSN 5950-01-633-1409
NSN 5920-01-589-2408
NSN 6105-01-334-2922
NSN 5920-00-421-0991
NSN 5835-00-198-4936
NSN 5965-01-633-8849
NSN 5999-01-203-7715
NSN 5950-01-208-4988
NSN 5895-01-622-4129
NSN 6645-00-761-5148
NSN 6105-01-157-7011