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 6610-00-705-8086
NSN 5905-00-331-4276
NSN 2925-01-603-0186
NSN 5960-00-766-6042
NSN 5835-01-180-1400
NSN 6610-01-210-4306
NSN 5855-01-534-7940
NSN 5855-01-321-3881
NSN 5930-01-588-6890
NSN 6110-00-414-1624
NSN 5905-01-206-4012
NSN 6220-01-381-1793