-MECHANICAL ELEMENT FOR SPECIAL MACHINES; COMPONENT: BALL JOINT MACHINE: WEATHERFORD CAM-13/80-H COUPLING TIGHTENER. SERIAL NO.: CAM-122-05; BA LL RACE LOWER BALL JOINT BRAND: WEATHERFORD MODEL CAM-13/80-H SER. NO. 122-05 DWG: 4.19.2970 PART NO.: 5586553 ACCORDING TO PARTS LIST ON PAGE 7-15 USED IN WEATHERFORD COUPLING TIGHTENING MACHINES WITH PREMIUM-1 THREADS, LINES-4.5, COMPATIBLE WITH PREMIUM-31 PAC AND PREMIUM-2 END 7; MANUFACTURER 1: WEATHERFORD; N-PART 1: 5586553