Width across flats: 2.25 in. Nom; outside thread characteristics: 3.125 in.-16 n rh
A cap, usually of metal, designed to retain lubricant and excludes foreign matter from bearings. It is normally used as an end closure on items designed to rotate on a shaft,such as a wheel hub, or fit into a housing at the end of a rotating shaft, or the like. Do not use if a more specific name applies. For items mounted by bolt holes, see cover, access.
Classification: Crown corks (including crown seals and caps), and parts thereof, of base metal
NSN 6610-01-379-5475
NSN 5945-00-334-1228
NSN 6105-01-225-4336
NSN 6650-01-101-9023
NSN 5950-01-313-1415
NSN 6610-00-801-4652
NSN 4140-01-437-2871
NSN 5945-01-166-9998
NSN 7035-00-679-9027
NSN 5960-01-215-0992
NSN 4140-01-263-6435
NSN 6130-00-959-5800