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 5990-00-905-6472
NSN 6240-01-304-2798
NSN 6145-01-599-9935
NSN 6610-01-145-2569
NSN 6610-00-144-7036
NSN 2925-00-041-0439
NSN 5950-01-628-8642
NSN 4140-01-378-9202
NSN 6135-00-432-8779
NSN 5965-01-005-0341
NSN 6650-01-253-8062
NSN 5835-01-242-9806