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 5905-00-343-6735
NSN 5920-00-239-6552
NSN 6110-00-186-2542
NSN 2925-00-201-7138
NSN 7035-00-465-3298
NSN 5996-01-371-6804
NSN 5905-01-164-6069
NSN 6610-01-091-3740
NSN 5910-01-372-4527
NSN 6620-00-349-4703
NSN 5965-00-716-7078
NSN 6135-01-577-5532