End connection has a 2 step size of 1/4in first step and 1/2in second step.
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 materials other than copper, iron or steel
NSN 5998-01-073-5525
NSN 6620-01-595-7459
NSN 6610-01-541-0880
NSN 6240-00-988-3839
NSN 6620-01-124-0947
NSN 5925-00-113-5066
NSN 6320-00-004-9158
NSN 6110-01-463-9010
NSN 5960-01-315-6993
NSN 5835-01-652-4959
NSN 6130-00-392-1992
NSN 6320-01-089-9086