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 6105-01-056-5258
NSN 4140-01-492-8416
NSN 5999-01-411-5135
NSN 5998-01-524-3367
NSN 5960-01-090-2065
NSN 5855-00-832-9341
NSN 6650-00-559-1462
NSN 2925-00-478-3742
NSN 6105-00-811-5715
NSN 6685-01-597-6243
NSN 5905-00-139-3239
NSN 5996-01-656-9507