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 6610-00-831-5748
NSN 6240-00-230-2716
NSN 5998-01-445-9823
NSN 5960-01-170-4057
NSN 5998-01-435-5103
NSN 5835-01-116-2369
NSN 5835-01-113-8731
NSN 6220-01-606-9155
NSN 5999-01-482-8607
NSN 5996-00-159-8096
NSN 6650-00-857-2260
NSN 5998-00-468-0272