J/B Industries Vacuum Pump Flexible Coupler “DRIVE-SECTION” Part# PR-77

J/B Industries Vacuum Pump Flexible Coupler “DRIVE-SECTION” Part# PR-77. $Made for the J/B Industries Vacuum pumps. Part# PR-77 This is the center or “drive section” of the complete J.B. coupler part# PR6. Length: 1-5/8″ Outside Diameter: 1-1/8″ Number of teeth & notch’s on each side: 8. Gregoriou Brothers Refrigeration Since 1979 Frosty-Freeze J/B Industries Vacuum Pump Flexible Coupler “DRIVE-SECTION” Part# PR-77 Made for the J/B Industries Vacuum pumps. Part# PR-77 The color maybe yellow or green. This is the center or “drive section” of the complete J.B. coupler part# PR6. Length: 1-5/8″ Outside Diameter: 1-1/8″ Number of teeth & notch’s on each side: 8 $Made for the J/B Industries Vacuum pumps. Part# PR-77 This is the center or “drive section” of the complete J.B. coupler part# PR6. Length: 1-5/8″ Outside Diameter: 1-1/8″ Number of teeth & notch’s on each side: 8 Gregoriou Brothers Refrigeration Since 1979 Frosty-Freeze J/B Industries Vacuum Pump Flexible Coupler “DRIVE-SECTION” Part# PR-77 Made for the J/B Industries Vacuum pumps. Part# PR-77 This is the center or “drive section” of the complete J.B. coupler part# PR6. Length: 1-5/8″ Outside Diameter: 1-1/8″ Number of teeth & notch’s on each side: 8 Made for the J/B Industries Vacuum pumps. Part# PR-77 This is the center or “drive section” of the complete J.B. coupler part# PR6. Length: 1-5/8″ Outside Diameter: 1-1/8″ Number of teeth & notch’s on each side: 8