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 6220-01-336-0130
NSN 5905-01-570-4618
NSN 6320-01-484-7734
NSN 5835-01-615-4766
NSN 5910-01-351-5534
NSN 6105-00-596-9962
NSN 7035-01-551-1240
NSN 6130-01-508-9797
NSN 5915-01-558-3923
NSN 5895-00-806-4561
NSN 5990-01-452-0911
NSN 5999-01-246-9536