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 6620-01-521-0580
NSN 5855-01-634-0259
NSN 5965-01-335-6630
NSN 6685-01-062-0900
NSN 5935-00-466-1181
NSN 5950-01-415-1563
NSN 5895-00-108-8474
NSN 5905-01-224-2375
NSN 6110-00-736-0367
NSN 5920-01-585-3554
NSN 5990-00-172-7951
NSN 5895-00-147-3199