Check the listing for details. 18.5mm OD Standard Flat Washer Part # MP43983. Condition: New. Listed at 4.63 USD. Questions? Message Us! If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first. 18.5mm OD Standard Flat Washer Part # MP43983 18.5mm OD Standard Flat Washer Part # MP43983 M8 Screw Standard Flat Washer: Steel, Zinc-Plated 9mm ID x 18.5mm OD, 1.6mm Thick, Zinc-Plated Finish Specifications Washer Type Standard Material Steel Material Grade 12.9 Screw Size M8 Inside Diameter (mm) 9.00 Outside Diameter (mm) 18.50 Thickness (mm) 1.60 Finish Coating Zinc Fastener Standard DIN 125 System Of Measurement Metric UNSPSC Code 31161807 Shipping Shipping cost: Varies Delivery time:Ships within one business day. Payment We accept the following payment methods: PayPal Please contact us if you have any questions. Service If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first.