Part Number: 12-20X2-18WHEEL (Bolt ribbed neck all)Part Number: 15-806 (Bolt ribbed neck all)Part Number: 328-AS130-1 (Bolt ribbed neck all)Part Number: 328AS130-1NAVALAIR (Bolt ribbed neck all)Part Number: 5306-01-020-7141 (Bolt ribbed neck all)