The item is threded intrnal with 1.25-18nef
No other part numbers with same form, fit, and function found.
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: Crown corks (including crown seals and caps), and parts thereof, of base metal
NSN 7035-00-585-2113
NSN 5910-01-245-3581
NSN 5930-00-171-5087
NSN 6105-01-412-8480
NSN 5945-01-419-8781
NSN 6610-00-827-8959
NSN 5910-01-166-6606
NSN 6645-01-063-3371
NSN 5920-01-245-3584
NSN 5935-01-078-4308
NSN 5910-01-068-8019
NSN 6105-01-506-2661