06400829 – Ariens / Gravely Flat Washer .640″ × 1.75″ × .250″ (Genuine OEM) Description:The 06400829 flat washer is a genuine OEM Ariens / Gravely heavy-duty washer engineered for use in mower deck belt, idler, spindle, and blade assemblies. With dimensions of .640″ inside diameter × 1.75″ outside diameter × .250″ thickness, this washer provides proper spacing, load distribution, and component alignment in high-stress rotating deck systems. This washer is commonly used in idler pulley stacks and spindle mounting points, where correct thickness is critical to belt tracking, pulley alignment, and long-term bearing life. Manufactured from durable steel, the 06400829 washer is built to withstand vibration, impact loads, and continuous operation in commercial and residential mowing environments. Designed to Ariens and Gravely factory specifications, this washer ensures precise fitment and reliable performance across a wide range of mower decks and zero-turn platforms. Key Details Manufacturer Part Number: 06400829 Part Name: Flat Washer Brand: Ariens / Gravely Inside Diameter (ID): .640″ Outside Diameter (OD): 1.75″ Thickness: .250″ Material: Steel Application: Deck belts, idlers, spindles, and blade assemblies Installation: Direct OEM replacement Compatibility The Ariens / Gravely 06400829 flat washer is used extensively across mower deck systems, including rear discharge, side discharge, CE, Zoom, Max Zoom, Apex, Zenith, and Pro-Master models. Common Applications Include: Rear & side discharge mower decks Deck belt and idler pulley assemblies Spindle and blade mounting systems Commercial and residential zero-turn mower decks Compatible with multiple deck sizes including 32″, 36″, 42″, 48″, 52″, 54″, 60″, and 72″, across numerous Ariens and Gravely platforms. Why Use Genuine OEM 06400829 Ensures correct pulley and belt alignment Maintains proper spacing in idler and spindle stacks Prevents premature belt wear and bearing failure Built for vibration resistance and long service life Matches factory thickness and diameter specifications Using the OEM Ariens / Gravely 06400829 flat washer helps ensure reliable deck operation, smooth belt tracking, and proper component alignment on compatible mower deck assemblies.
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