Part #4830Er3001A, Washer Bushing / 1.00 x 1.00 x 1.00. This bushing (part number 4830ER3001A) is for washers. Follow appropriate safety practices when installing bushing 4830ER3001A.; This bushing (part number 4830ER3001A) is for washers. Follow appropriate safety practices when installing bushing 4830ER... - Part #4830Er3001A, Washer Bushing / 1.00 x 1.00 x 1.00.