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 materials other than copper, iron or steel
NSN 5998-00-481-1533
NSN 6645-01-549-0935
NSN 6220-00-361-8338
NSN 6650-01-214-1710
NSN 6620-01-621-0719
NSN 6620-00-701-3575
NSN 5930-01-055-8333
NSN 7035-00-179-3924
NSN 6685-00-907-1554
NSN 6650-00-641-6139
NSN 4140-00-625-4289
NSN 4140-01-127-8992