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 6130-01-529-0148
NSN 5960-01-641-5493
NSN 5915-01-377-7602
NSN 7035-00-270-5519
NSN 6320-01-564-0893
NSN 5905-01-114-3774
NSN 5960-01-543-0235
NSN 4140-01-183-8866
NSN 5965-00-083-6486
NSN 5915-01-004-7640
NSN 6645-00-072-9243
NSN 6645-01-459-9586