Washer Type: Flat Outside Diameter (mm): 53 Inside Diameter (mm): 25 Thickness (mm): 5 Coating: None Material: Nylon Plastic,Nylon Plastic 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. Cross Section Height (mm): 11.5 Cross Section Width (mm): 5