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 5855-00-256-5562
NSN 6150-00-433-4298
NSN 5996-01-199-8555
NSN 5999-01-003-8461
NSN 6320-01-459-6992
NSN 5835-01-509-8992
NSN 5950-01-054-2748
NSN 5999-00-411-7648
NSN 5915-01-486-7631
NSN 5990-01-647-8574
NSN 6610-01-515-4967
NSN 5915-01-457-5287