13ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION1... 539 101080 ... 1... SWITCH, BRAKEunits produced beforeSerial No. 0737xxxxx1.... 539 113792 ... 1... SWITCH, INTERLOCKunits produced afterSerial No. 0737xxxxx12... 539 101836 ... 1... BUSHING3... 539 109363 ... 1... BRAKE LEVER4... 539 109368 ... 2... BUSHING, PLASTIC5... 539 109798 ... 1... GRIP, PARK BRAKE6... 539 976979 ... 4... NUT, 3 /8 -16, NYLOC7.... 539 112306 ... 2... PIVOT SHAFT8.... 539 112314 ... 1... LINKAGE9... 539 976988 ... 2... PIN HAIR, .073 x 17 / 1610... 539 990316 ... 2... RHSNB, 5 /16 -18 x 3 /4PARK BRAKE11 ... 539 990517 ... 1... WASHER, 3/ 812... 539 990692 ... 4... WASHER, 5/ 1613... 539 990717 ... 4... NUT, 5/ 16 -18, NYLOC14... 539 991034 ... 2... SCREW, #10-24 x 5 / 8, WSH HD15... 539 990613 ... 1... NUT, 3/ 8 -16, WHIZLK16... 539 990629 ... 3... HCS, 3/ 8 -16 x 2 1 /417.... 539 114803 ... 1... BRACKET, BRAKE SWITCHunits produced afterSerial No. 0737xxxxx118... 539 990071 ... 2... HCS, ¼-20 x ½ ZDunits produced afterSerial No. 0737xxxxx119... 539 976978 ... 2... NUT, ¼ - 20, NYLOCunits produced afterSerial No. 0737xxxxx1ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION