06500902 – Ariens / Gravely Flange Lock Nut 1/2"-13 (Genuine OEM Locking Flange Nut) The Ariens / Gravely 06500902 Flange Lock Nut is a genuine OEM replacement fastener engineered to securely retain critical components on compatible Ariens and Gravely lawn mowers, zero-turn mowers, snow blowers, and commercial outdoor power equipment. Featuring a 1/2"-13 UNC thread and an integrated serrated flange, this heavy-duty lock nut provides superior holding power while resisting loosening caused by engine vibration and continuous operation. Manufactured from high-strength heat-treated steel with a corrosion-resistant ZCC (Zinc Clear Chromate) finish, the 06500902 Flange Lock Nut distributes clamping force evenly across the mounting surface while eliminating the need for a separate lock washer in many applications. Product Details Part Number: 06500902 Brand: Ariens / Gravely Part Type: Flange Lock Nut Thread Size: 1/2"-13 UNC Style: Serrated Flange Lock Nut Finish: ZCC (Zinc Clear Chromate) Material: Heat-Treated High-Strength Steel Installation: Direct OEM Replacement OEM Status: Genuine Ariens / Gravely OEM Part Key Features Genuine Ariens and Gravely OEM fastener 1/2"-13 UNC coarse thread Integrated serrated locking flange Eliminates or reduces the need for a lock washer Heat-treated steel construction Corrosion-resistant ZCC finish Excellent vibration resistance Direct OEM replacement Function The 06500902 Flange Lock Nut securely fastens bolts and threaded studs while the serrated flange grips the mating surface to resist loosening caused by vibration. The wide flange also distributes clamping force over a larger area, helping protect mounting surfaces and improve joint stability. Compatible Equipment The Ariens / Gravely 06500902 Flange Lock Nut is used on numerous Ariens and Gravely machines, including selected: Zero-turn mowers Riding lawn tractors Walk-behind mowers Snow blowers (Sno-Thro®) Commercial turf equipment Utility equipment Other Ariens and Gravely equipment utilizing OEM part number 06500902 Always verify your equipment model, illustrated parts diagram, thread size, and original OEM part number before ordering to ensure proper compatibility. Who Is This For? Homeowners Commercial landscapers Grounds maintenance professionals Equipment repair technicians Fleet maintenance departments Ariens and Gravely equipment owners Recommended Applications Ideal for: Mower deck assembly Blade spindle mounting Frame assembly Engine mounting Suspension components Wheel and axle hardware General OEM hardware replacement Pros Genuine Ariens / Gravely OEM quality Integrated serrated locking flange High-strength heat-treated steel Corrosion-resistant ZCC finish Excellent vibration resistance Factory-correct fit Long service life Cons Compatible only with 1/2"-13 UNC threaded fasteners Serrated flange may mark painted or finished mounting surfaces Comparison – Ariens / Gravely 06500902 OEM Flange Lock Nut vs Standard Hex Nut Ariens / Gravely 06500902 Genuine OEM Flange Lock Nut Integrated locking flange Superior vibration resistance Even load distribution Heat-treated steel construction Designed specifically for outdoor power equipment Standard Hex Nut Requires a separate lock washer for many applications Lower resistance to vibration Smaller bearing surface Less secure in high-vibration environments Why Buy from Barry's Power Equipment? Barry's Power Equipment supplies genuine Ariens and Gravely OEM replacement parts trusted by homeowners, commercial landscapers, and professional equipment technicians. Genuine OEM Ariens and Gravely replacement parts Fast nationwide shipping Competitive pricing Expert technical support Extensive inventory for Ariens, Gravely, SCAG, Toro, Exmark, Wright, Kawasaki, Kohler, Honda, Briggs & Stratton, Ferris, Hustler, Cub Cadet, John Deere, STIHL, and many other leading outdoor power equipment brands.
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