Flight safety critical
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 steel
NSN 6620-01-503-6576
NSN 5935-01-064-3096
NSN 5935-01-513-4247
NSN 5975-01-159-2149
NSN 6620-00-010-8190
NSN 6105-01-382-9690
NSN 5950-01-537-0562
NSN 5960-00-171-9575
NSN 6130-01-039-8287
NSN 6650-01-542-4137
NSN 6610-01-376-9199
NSN 6240-01-606-6470