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 5998-01-359-9680
NSN 6105-00-004-4496
NSN 5950-01-471-8138
NSN 6610-00-967-6698
NSN 7035-01-302-5359
NSN 5935-01-544-6780
NSN 5835-00-065-6757
NSN 5999-01-649-2810
NSN 6685-01-468-4647
NSN 5996-01-216-0702
NSN 6320-01-029-4220
NSN 5935-00-851-0262