06540800 – Nylon Lock Nut, 3/4-10 (YWZC)(Genuine OEM Ariens / Gravely Part) The 06540800 nylon lock nut is a genuine OEM Ariens / Gravely fastener designed to provide secure, vibration-resistant fastening in mower decks, drive systems, and accessory mounting assemblies. Featuring a 3/4-10 thread and an integrated nylon locking insert, this nut prevents loosening under heavy vibration and continuous operation. The yellow zinc coating (YWZC) provides corrosion resistance, making this nut suitable for outdoor, commercial, and residential mowing environments. Key Details Manufacturer Part Number: 06540800 Part Name: Nylon Lock Nut Brand: Ariens / Gravely Thread Size: 3/4-10 Locking Type: Nylon insert Finish: Yellow Zinc Coated (YWZC) Function: Prevents fastener loosening due to vibration Installation: Direct OEM replacement Compatibility / Where Used The Ariens / Gravely 06540800 lock nut is used across a wide range of equipment in mower drive systems, deck mounting assemblies, bagger systems, and deck lift components. Common applications include: 2-Wheel Tractor Mower Drives 40" and 50" mower drive assemblies Commercial & Fabricated Decks 36", 60", and 72" side-discharge and rear-discharge mower decks Mower frame and deck mounting hardware Bagger & Grass Collection Systems Rapid XZ PECO bagger assemblies PECO hopper grass container systems Pro-Stance Series Pro-Stance 36 Pro-Stance 36 CARB Deck lift left arm and left-hand lift assemblies This nut is used throughout multiple serial number ranges and supports both Ariens and Gravely commercial platforms, including deck lift, mower mounting, and accessory hardware systems. Why Use Genuine OEM 06540800 Using the OEM 06540800 nylon lock nut ensures: Correct thread engagement and clamping force Resistance to loosening from vibration Improved safety and hardware retention Long-term corrosion resistance Proper fitment across Ariens & Gravely equipment For reliable fastening and factory-correct performance, the 06540800 is the recommended replacement nut for Ariens and Gravely mower decks, drives, and accessory assemblies.
