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 5996-00-900-5251
NSN 6110-00-202-2990
NSN 5999-01-250-2623
NSN 6685-01-401-5360
NSN 6320-00-343-1798
NSN 5925-00-203-1278
NSN 6130-01-504-8857
NSN 6220-00-005-1436
NSN 5855-01-651-9576
NSN 6150-01-553-1204
NSN 6650-00-195-7519
NSN 5999-00-959-4415