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 5998-01-399-8714
NSN 6685-00-809-7599
NSN 5990-01-185-9835
NSN 6220-01-195-0322
NSN 6645-01-467-9983
NSN 5950-00-669-5873
NSN 6150-01-046-6416
NSN 4140-00-155-8012
NSN 6610-00-823-9159
NSN 5895-00-285-6622
NSN 5998-01-597-3794
NSN 6685-01-243-9238