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 6150-01-517-9938
NSN 5930-01-079-0391
NSN 6110-01-532-7148
NSN 5835-01-221-8030
NSN 5855-00-586-6255
NSN 2925-01-386-7392
NSN 6150-01-082-0098
NSN 5965-00-121-7569
NSN 5990-00-296-4825
NSN 5905-01-170-2091
NSN 7035-01-027-1718
NSN 5935-01-565-2423