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 5930-01-613-4498
NSN 5910-01-396-4187
NSN 5835-01-498-9410
NSN 6685-01-429-8922
NSN 5930-00-222-0847
NSN 6110-01-279-4092
NSN 5950-00-988-2409
NSN 6645-00-052-3201
NSN 6240-00-443-8000
NSN 4140-01-531-4299
NSN 5950-00-252-3647
NSN 6220-01-026-7260