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 5998-01-215-4955
NSN 5950-01-440-4322
NSN 2925-00-441-8252
NSN 5920-00-185-5801
NSN 5910-01-644-6178
NSN 6240-01-275-9719
NSN 7035-01-532-6353
NSN 5835-00-092-1136
NSN 6650-00-061-2232
NSN 5920-00-008-8465
NSN 2925-01-250-2731
NSN 5985-01-160-7898