Resilient material "fluorosilicone"
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 6150-01-407-6861
NSN 5935-00-961-9989
NSN 6645-01-496-9868
NSN 5975-01-273-9758
NSN 5895-01-238-8343
NSN 6220-00-466-2681
NSN 6645-01-645-4291
NSN 6135-00-223-9563
NSN 5905-01-363-4151
NSN 6620-01-428-7072
NSN 6320-01-148-8125
NSN 6620-00-527-9280