This item is a flight safety critical aircraft part (fscap).
A part basically circular in shape, designed to cover or seal the filler-neck or inlet opening of a fuel tank, radiator, oil reservoir, liquid storage tank or the like. It may be either permanently attached to the object for which it is designed or provided with a means of removal and replacement. Excludes cap, vent, fuel storage tank; and cover (1), (as modified).
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 6240-01-260-3597
NSN 5945-00-484-5259
NSN 5835-01-050-9509
NSN 5930-00-683-5977
NSN 5920-00-169-4428
NSN 6320-01-449-0043
NSN 5915-00-113-9177
NSN 5930-00-824-4214
NSN 6220-00-466-2681
NSN 6240-00-099-8606
NSN 6610-01-487-6102
NSN 6110-00-912-3174