Flat WasherThis washer is an aftermarket replacement, contact us to verify fit. Washers seem trivial until you are missing one during a rebuild and the bolt head digs into a soft mating surface or the joint loosens after a few hours of vibration. Forklift service teams keep a range of sizes on hand because every torque-critical fastener relies on the right washer underneath. If you can confirm the bolt size this washer pairs with, we can verify that AC01640-20610 has the correct ID, OD, and thickness for your application.Aftermarket replacement part, cross-references original part number AC01640-20610.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC01640-20610, ac01640-20610, AC0164020610, ac0164020610 ⚠ Warning: Some equipment has serial-number breaks that may not be reflected in the catalog. Contact us for clarification before ordering if uncertain.SCR Forklift Parts ships from Whittier, CA with next-day delivery available across the US when needed.