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 6320-00-393-0138
NSN 5996-01-501-6165
NSN 5920-01-112-6648
NSN 5925-00-142-0752
NSN 2925-00-231-8041
NSN 6645-00-877-6002
NSN 2925-00-284-1534
NSN 6610-01-530-4528
NSN 5925-00-727-9116
NSN 6105-00-045-7930
NSN 5975-01-115-3877
NSN 5915-01-170-5086