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 5999-00-481-7536
NSN 6110-01-456-0227
NSN 2925-01-583-5619
NSN 5935-01-157-7840
NSN 4140-00-170-5152
NSN 6240-01-294-8226
NSN 2925-00-735-4979
NSN 6130-01-390-2675
NSN 4140-00-898-3404
NSN 5950-01-398-5128
NSN 6685-00-509-5239
NSN 4140-00-179-3977