20-3 11010080 Control Board 1 20-4 52170026 Button Spacer 1 20-5 50400004 Button (AK12xxBS,BB,BBS) 4 20-5 50400005 Button (AK12xxBW) 4 20-6 52170007 Cover, Switch (AK12xxBS,BB,BBS) 1 20-6 52170008 Cover, Switch (AK12xxBW) 1 21 05000037 Hardware Packet 1 21-1 01090001 Screw, M6 x 1" 4 21-2 01090002 Screw, M6 x 1 1/2" 4 21-3 01090003 Screw, M6 x 2" 4 21-4 02170001 Washer 4 21-5 01070006 Screw, M4 x 8mm 21-6 15000002 Wire Nut AUG19.