57 58 All NUT frt chamber body and clamp 58 59 Ser 7 8 rr chamber clamp 60 All rr chamber body and clamp 61 All frt and rear chamber body and clamp A 62 All exc I Beam axles frt chamber body and clamp bolt 62 66 All 67 70 Ser 60 w Air Equip 69 70 Ser 50 w Air Brk exc Emerg Air Brk 3779427 A R 20 rear chamber body and clamp bolt frt and rear 24 60 61 All 431594 2 50 NIJT front chamber pipe elbow front chamber pipe to hose 24 x 8 963 64 66 Ser 80 w 23 000 lb axle exc TDM 68 70 Ser 60 w 23 000 Ib axle exc Tilt 68 69 Ser 60 Tilt w Emerg Air Brake 23 000 lb axle 8879657 4 1 20 NUT rear chamber spanner 60 70 All 2140003 A R 22 PIN frt and rear brk chamber 1 length from head to C L pin hole 64 66 Ser 80 w 23 000 Ib axle exc TDM 1st design 68 69 Ser 60 Tilt w 23 000 lb axle 70 Ser 60 Conv 23 000 Ib axle w Air Brks 2418876 4 57 RETAINER rear brake shoe 64 66 Ser 80 w 23 000 Ib axle exc TDM 2446604 4 07 RETAINER rear brk chamber spanner nut Rockwell 1779 C 419 66 Ser 80 w 23 000 lb axle 2nd design exc TDM 68 69 Ser 60 Tilt w 23 000 Ib axle 70 Ser 60 w 23 000 Ib axle 8879634 4 57 RETAINER rear brk shoe roller Rockwell 1718 P A 198 66 Ser 80 w 23 000 Ib axle exc TDM 68 70 Ser 60 w 23 000 Ib axle 8879633 4 31 SIEAL rear brk shoe roller retainer Rockwell 1705 W 231 64 65 Ser 80 w 23 000 Ib axle exc TDM 4 cyc Diesel 66 Ser 80 w 23 000 lb axle 1st design exc TDM 68 69 Ser 60 Tilt w 23 000 lb axle 70 Ser 60 Conv 23 000 lb axle w Air Brks 2418880 4 07 WASHER rear brk shoe wedge return spring 66 Ser 80 w 23 000 Ib axle 2nd design exc TDM 68 70 Ser 60 w 23 000 Ib axle 8879635 4 15 WASHER rear brk shoe wedge return spring Rockwell 1729 W 335 66 Ser 80 w 23 000 lb axle 3rd design exc TDM 68 70 Ser 60 w 23 000 lb axle 8879636 4 15 WASHER rear brake shoe roller return Rockwell 1729 X 336 5 1 25 ADJUSTER ASSY BUSHING BUTTON COVER GEAR LOCK PlN RING RIVET SCREW SHAFT SPACER SPRING WORM Air Brake Slack 57 59 All w 7 000 Ib axle 2497615 1 23 29 left front Eaton 39589 57 59 All w 7 000 Ib axle 2497616 1 23 29 right front Eaton 39588 2 57 59 All 2457165 1 23 59 left rear Bendix 278105 57 59 All 2457166 1 23 59 right rear Bendix 223523 60 62 All w 7 000 lb axle 2457090 2 20 85 front Bendix 278306 Wagner AC 31927 60 66 All 67 68 Ser 60 w 18 500 Ib axle j 1971 CHEVROLET MOTOR DIVISION GENIERAL MOTORS CORPORATlON P A 31S REV 6 71 5 4 a 5 1 22 5 1 25