39 40 Pass exc JB 41 46 Pass 47 54 Pass exc P S 55 57 Pass 3741877 1 SPRING upper 5 coiIs 1 z free length 59 64 Pass exc T W 3758803 1 SPRING lower 3 coils 63 64 Pass w T W 5679310 1 SPRING upper inter shaft and yoke brg 63 64 Pass w T W 5677798 1 WASHER upper shaft brg preload spring W 63 64 Pass w T W 5678293 1 WASHER upper shaft brg preload spring retainer 6 524 SHAFT ASSY Steering Gear with Worm 40 48 Pass exc KB 265763 1 53V O L 50 52 Pass 5662120 1 48 V32 O L flat at upper end of worm 53 54 Pass exc P S 5664365 1 47Vz 0 L 55 57 Pass 5671618 1 42 O l w ball nut assy 58 Pass 5671820 1 lower 58 64 Pass 5675222 1 upper w coupling 38 4 0 L 58 Pass 61 64 Pass 5690729 1 upper w pin 59 60 Pass 5690861 1 upper w pin 59 64 Pass 5673153 1 intermediate w upper flange 19V O L 59 64 Pass exc P S 5673148 1 lower w worm 8V4 O L 59 64 Pass w P S 5673150 1 lower w ball nut assy SVI O L daub of yellow paint 59 64 Pass w P S 5673151 1 lower w worm 8V O L daub of yellow paint 59 60 Pass 5674391 1 upper w coupling 39 Vqz O L 59 64 Pass exc P S 5674275 1 w ball nut assy 63 64 Pass w T W 5697588 1 upper 63 64 Pass w T W 5678122 1 upper inter 63 64 Pass w T W 5678143 1 lower inter 63 64 Pass w T W 5678144 1 center w pin 63 64 Pass w T W 5678146 1 intermediate w upper flange 63 64 Pass w T W 5678173 1 center 6 525 COUPLING UNIT COUPLING ASSY BEARING BOLT UNIT CLAMP COVER FLANGE RElNFORCEMENT RING SPRlNG WASHER Steering Shaft U Joint 58 64 Pass exc T W 63 Pass w T W 3821596 1 center 59 62 Pass 63 64 Pass 5689757 1 COUPLING ASSY w lower flange 58 64 Pass exc T W BEARING upper coupling 63 64 Pass w T W 5675599 A R center shaft coupling 11 I D 59 64 Pass 5688050 1 BOLT UNIT 58 64 Pass 5671546 1 CLAMP upper shaft IVM D x V wide 58 60 Pass w 5672553 79 5672502 1 COVER coupling 63 64 Pass w T W 5692933 A R FLANGE upper inter and center shaft conn 59 64 Pass 5682486 2 REINFORCEMENT intermediate shaft coupling 58 60 Pass 5671547 1 RING coupling cover retainer 3 lugs 58 64 Pass exc T W SPRING strg upper 63 64 Pass w T W 5675186 1 center shaft coupling V long 58 62 Pass 5673727 A R WASHER upper 1 Vsz I D 60 Pass 5674398 A R WASHER upper IV D x ZVI O D x V thk 61 62 Pass 63 64 Pass exc T W WASHER upper 63 64 Pass w T W 5674962 1 center Wu D x 2V O D w flanged edges 6 550 VALVE ASSY ADAPTER ASSY Steering Gear Hydraulic NOTE For Seal and Gasket Kits see group 6 507 55 57 Pass 5681716 1 w adapter includes all internal parts 58 64 Pass 5691108 1 w adapter 60 64 Pass 5691130 1 ADAPTER ASSY 6 551 SHAFT KIT NUT Steering Gear Hydraulic Valve 58 64 Pass 5687998 1 SHAFT KIT Note 1 NOTE 1 Consists of valve shaft and ball seat spring 58 62 Pass 5686261 1 KIT adapter and sleeve Note 2 58 62 Pass 5686260 1 KIT hyd strg adapter Note 4 NOTE 4 Consists of 2 seats 1 spring 1 stud 63 64 Pass 5691150 1 KIT adapter Note 5 NOTE 5 Consists of 2 Seats 1 each seal spring stud lock nut spacer and screw or bolt 63 64 Pass 5691151 1 KIT adapter and sleeve Note 6 NOTE 6 Consists of 1 each adapter and plug assy relay rod clamp lock nut seal spacer screw and bolt 63 64 Pass 5691690 1 KIT ball stud seal and clamp Note 7 NOTE 7 Consists of 1 each clamp lock nut seal screw or bolt and spacer 55 64 Pass 5689156 1 NUT valve and adapter lock V4 28 x Vu hex w shoulder W NOTE 2 Consists of 1 adapter and 1 sleeve 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30 6 521 6 551 ea