Part Number: 12281158-1 (N/a) Part Number: 12281161 (N/a) Part Number: 12281164 (Heatsink) Part Number: 12281166-1 (N/a) Part Number: 12281168 (Connector) Part Number: 12281169 (Bracket) Part Number: 12281170 (Retainer) Part Number: 12281171 (Retainer) Part Number: 12281173 (Insulator) Part Number: 12281174 (Insulator) Part Number: 12281177 (N/a) Part Number: 1228118 (Terminal board) Part Number: 12281180 (Microcircuit) Part Number: 12281181 (Crystal unit)