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 5855-00-256-5562
NSN 5855-01-532-1751
NSN 5920-00-864-6622
NSN 5895-00-621-0543
NSN 6145-00-683-5353
NSN 6130-01-239-9831
NSN 6610-01-568-8732
NSN 5855-00-821-7512
NSN 5925-00-179-0094
NSN 5930-01-329-7602
NSN 5930-01-321-1966
NSN 5975-00-167-6509