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 6150-00-724-4947
NSN 5990-01-242-9653
NSN 5910-00-626-0374
NSN 2925-00-254-9776
NSN 6105-01-406-3627
NSN 5960-01-649-1341
NSN 5975-00-636-4910
NSN 5905-00-566-0629
NSN 6685-01-025-6145
NSN 6145-00-166-7950
NSN 5935-01-005-5771
NSN 6110-01-124-4999