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J/B Vacuum Pump Coupler
Length: 2-1/4"
Diameter: 1-1/8"
Bore (Shaft) Size: 1/2"
Replaces / Supersedes: PR6 , H26-689 , Guardian 20 , 684520103863 and others
J/B Industries Part # PR-6 Product Specifications J/B Vacuum Pump Coupler Length: 2-1/4" Diameter: 1-1/8" Bore (Shaft) Size: 1/2" Coupler Sleeve Only - PR-77 Vacuum Pumps Equipped with PR-6: DV-3, DV-5 and DV-42 (Manufactured Prior to January 2001) DV-42 , DV-42N (Manufactured from Feb 1988 to December 2000) DV-85C (Manufactured from 1980 to 1988) DV-85 (Manufactured from April 1988 to 1992) DV-142 (Manufactured May 1988 to March 1992 w/ 6-Digit Serial #) DV-142 (Manufactured March 1992 to January 1995 w/ 4-Digit Serial #) DV-127 (Manufactured from 1982 to April 1988) Can also be used on pumps from other manufacturers with the same dimensional coupler. Replaces / Supersedes: PR6 , H26-689 , 684520103863 , Guardian 20 and others