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 5905-01-413-8074
NSN 6150-01-497-8301
NSN 6145-01-365-5018
NSN 6685-01-139-4944
NSN 4140-01-146-3524
NSN 6145-01-353-4154
NSN 7035-01-392-9838
NSN 6220-00-929-2208
NSN 6320-01-459-6992
NSN 6685-01-125-6687
NSN 6610-00-034-3709
NSN 5835-00-233-6327