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 5915-01-143-6759
NSN 2925-00-526-4541
NSN 5960-01-225-6036
NSN 6320-01-089-9086
NSN 5945-01-425-2986
NSN 5930-01-513-8519
NSN 5996-01-407-1458
NSN 5920-01-653-2340
NSN 6135-01-579-3534
NSN 5930-01-576-6089
NSN 6610-01-487-6843
NSN 5905-01-403-2806