Pilot operated reverse flow
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 6645-01-432-1068
NSN 6620-01-544-1083
NSN 6645-01-531-8233
NSN 6610-01-119-7873
NSN 5996-00-707-6228
NSN 5999-01-607-6418
NSN 5998-00-407-6895
NSN 5855-01-648-7687
NSN 6105-00-958-7328
NSN 2925-01-474-3363
NSN 5925-01-170-4150
NSN 5960-00-398-1029