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 7035-00-753-0695
NSN 5990-00-185-9586
NSN 5950-01-429-8186
NSN 5930-01-634-0659
NSN 5915-00-816-9056
NSN 6135-00-519-1325
NSN 6150-01-272-9154
NSN 6145-01-442-6064
NSN 5905-01-121-4938
NSN 5960-00-025-7353
NSN 6220-00-541-8515
NSN 5965-01-064-0263