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 6130-01-220-5264
NSN 6610-01-336-2787
NSN 5996-00-747-9770
NSN 6620-01-226-4065
NSN 5920-01-088-7958
NSN 5996-01-073-2332
NSN 6150-01-630-6798
NSN 6110-01-350-2533
NSN 5910-00-099-9998
NSN 5985-01-220-1752
NSN 5960-00-730-9838
NSN 5915-01-586-7934