Seal Inside Dia (mm): 245.00 Material: NBR (75), NBR - Nitrile Cross Section Diameter (mm): 3.53 mm, 3.5 Inside Diameter (mm): 245 Cross Section Diameter (in): 0.14 Length (MM): 203.2 Width (MM): 127 Material Description: NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel. Coating: None Height(mm): 2.5 Notes:: Dimensions and Material Descriptions provided for reference only. Color may differ from image. Weight (kg): 0.05