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 2925-00-246-3077
NSN 5975-00-189-0857
NSN 5905-01-535-4004
NSN 6685-01-076-4703
NSN 5835-01-468-6170
NSN 5925-00-699-8140
NSN 5925-00-356-8007
NSN 5935-01-657-5082
NSN 6130-01-167-4510
NSN 5999-00-778-6340
NSN 5998-01-634-0604
NSN 5930-01-633-7340