Width - A (+/- 0.762 mm) (mm): 6.15 Material: Nylon Plastic Inside Diameter (mm): 72 Outside Diameter (mm): 80.00 Material Description: Nylon Plastic provides good resistance to fuels, oils and lubricants. Many different formulations are used, some of which can support high mechanical loads, and perform well at elevated temperatures. Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image. Cross Section Height (mm): 4 Cross Section Width (mm): 5.9 Inside Diameter - B (+/- 0.08inch) (mm): 71.98