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).
NSN 5996-01-139-0303
NSN 4140-01-129-6337
NSN 5910-01-615-8587
NSN 6150-01-480-0989
NSN 6645-00-084-1424
NSN 4140-00-360-2457
NSN 6110-01-333-5042
NSN 6650-01-087-0862
NSN 5945-00-552-7728
NSN 5975-01-116-2115
NSN 5855-01-366-2040
NSN 6130-01-129-9243