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Description
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
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Part Number: 06500902
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Brand: Ariens / Gravely
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Part Type: Flange Lock Nut
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Thread Size: 1/2"-13 UNC
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Style: Serrated Flange Lock Nut
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Finish: ZCC (Zinc Clear Chromate)
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Material: Heat-Treated High-Strength Steel
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Installation: Direct OEM Replacement
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OEM Status: Genuine Ariens / Gravely OEM Part
Key Features
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Genuine Ariens and Gravely OEM fastener
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1/2"-13 UNC coarse thread
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Integrated serrated locking flange
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Eliminates or reduces the need for a lock washer
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Heat-treated steel construction
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Corrosion-resistant ZCC finish
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Excellent vibration resistance
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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:
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Zero-turn mowers
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Riding lawn tractors
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Walk-behind mowers
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Snow blowers (Sno-Thro®)
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Commercial turf equipment
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Utility equipment
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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?
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Homeowners
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Commercial landscapers
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Grounds maintenance professionals
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Equipment repair technicians
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Fleet maintenance departments
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Ariens and Gravely equipment owners
Recommended Applications
Ideal for:
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Mower deck assembly
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Blade spindle mounting
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Frame assembly
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Engine mounting
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Suspension components
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Wheel and axle hardware
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General OEM hardware replacement
Pros
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Genuine Ariens / Gravely OEM quality
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Integrated serrated locking flange
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High-strength heat-treated steel
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Corrosion-resistant ZCC finish
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Excellent vibration resistance
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Factory-correct fit
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Long service life
Cons
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Compatible only with 1/2"-13 UNC threaded fasteners
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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
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Integrated locking flange
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Superior vibration resistance
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Even load distribution
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Heat-treated steel construction
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Designed specifically for outdoor power equipment
Standard Hex Nut
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Requires a separate lock washer for many applications
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Lower resistance to vibration
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Smaller bearing surface
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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.
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Genuine OEM Ariens and Gravely replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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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.
