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 5925-01-507-1745
NSN 5935-01-234-6529
NSN 5999-00-970-3213
NSN 5996-00-249-8956
NSN 5935-01-322-7088
NSN 6135-01-176-2206
NSN 5910-01-313-6664
NSN 6145-01-097-8341
NSN 6130-00-869-8908
NSN 5925-00-686-3364
NSN 6685-00-925-7491
NSN 6610-00-933-9262