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 5975-01-445-1632
NSN 5999-01-556-7420
NSN 6105-01-473-5859
NSN 6110-01-354-5074
NSN 6685-01-359-1760
NSN 5965-01-265-2980
NSN 5935-00-204-7454
NSN 6135-01-086-0809
NSN 5930-01-495-0002
NSN 5915-01-217-1394
NSN 6320-01-362-9518
NSN 5855-01-241-1054