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 5915-00-300-3853
NSN 6110-00-583-9821
NSN 7035-01-451-0143
NSN 5990-01-291-0600
NSN 5965-00-799-5490
NSN 5895-01-547-4172
NSN 5975-00-067-5236
NSN 5999-00-549-9955
NSN 5999-00-997-9372
NSN 7035-00-007-0584
NSN 2925-00-228-8854
NSN 6685-01-128-5060