5 812 BOLT SCREW STUD Front and Reanr Wheel or Drum A HUB BOLT CHART Part N0 A B C D E F 370465 1 17 32 15 64 37 64 23 32 7 16 20 1 19 64 2351583 19 16 1 4 15 32 23 32 7 16 20 15 16 3650739 1 31 64 15 64 1 2 3 4 7 16 20 1 1 4 r 3668105 31 16 9 32 11 8 121 32 9 16 18 225 32 B C D 3680865 151 64 15 64 7 16 11 8 1 2 20 19 16 3680991 2 31 64 15 64 43 64 137 64 1 2 20 21 4 3682153 321 64 9 32 15 32 157 64 5 8 18 33 64 3682387 219 64 9 32 9 16 129 64 5 8 18 21 64 3682389 33 32 9 32 29 32 1 29 32 5 8 18 213 16 2 2 222 2 L 3683850 21 32 9 22 7 16 15 16 9 16 18 13 4 II 3694508 37 32 9 32 3 4 23 16 5 8 18 215 16 g 22 3697043 315 32 9 32 1 23 16 5 8 18 33 16 Q 3705783 131 32 9 32 9 16 11 8 5 8 18 111 16 3705784 27 8 9 32 3 4 1 27 32 5 8 18 219 32 E 3705785 31 8 9 32 1 1 5 8 18 227 32 3726228 29 16 1 4 15 16 13 8 1 2 20 25 16 3757999 1 19 32 1 4 11 32 1 1 2 20 1 5 16 3778368 1 41 64 15 64 1 2 7 8 1 2 20 1 13 32 3819780 2 7 8 15 64 15 16 127 32 1 2 20 27 8 3829376 15 8 1 4 21 64 13 64 7 16 20 13 8 3849110 163 64 15 64 41 64 11 16 1 2 20 13 4 3849118 215 64 15 64 29 32 17 64 1 2 20 2 3775683 1 5 8 1 4 5 16 1 5 64 7 16 20 13 8 3883323 115 16 7 32 19 32 11 8 1 2 20 123 32 ONE HALF HREE O UARTER AND ONE TON TRUCKS BOLT Front Hub 38 40 H J K exc FA GA HA JA KA KH 41 42 Comm 46 50 V Ton 370465 12 45 Note 1 67 Ser 30 D D w 11 000 Ib rr axle 3650739 12 45 drum to hub 46 55 1T0n 53 55 V4 Ton exc D D 55 D D 2nd Ser 3680865 16 45 w duals 46 59 1 Ton 60 66 Ser 20 30 exc 4 WD 3849110 16 45 w sgl rear wheels Note 1 51 62 V Ton exc P Trac 62 Ser 10 63 70 Ser 10 4 WD 69 Blazer 70 4 WD Blaz r 2 56 59 4 1 TgI e 3829376 12 45 1 20 x 1 60 62 Ser 30 w dual wheels 63 66 Ser 20 30 w dual wheels 67 Ser 20 30 exc D D 4 WD 68 70 Ser 20 30 w dual wheels 68 69 Ser 30 w 11 000 lb axle 3757999 16 25 drunm to hub 60 Ser 30 D D w H D frt spring 61 67 Ser 30 exc Stepside 63 67 Ser 20 w 127 W B exc Pick Up Panel 4 WD 63 67 Ser 30 w 133 W B exc Pick Up Panel 63 67 Ser 30 D D 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 j REV 6 71 5 81 5 812 5 812