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 5945-01-634-0588
NSN 5855-00-361-0167
NSN 5915-01-398-9831
NSN 5985-01-227-2592
NSN 5920-01-429-9947
NSN 5930-01-440-9895
NSN 6610-00-957-3875
NSN 5998-01-381-5281
NSN 5895-00-116-7411
NSN 6145-01-171-8160
NSN 6145-00-075-4620
NSN 6220-01-260-1097