06500813 – Ariens / Gravely 1/4-20 Nylon Flange Lock Nut Zinc Coated (Genuine OEM) Description:The 06500813 nylon flange lock nut is a genuine OEM Ariens / Gravely fastener designed to provide secure, vibration-resistant fastening in a wide range of mower, blower, bagger, and attachment assemblies. This nut features a 1/4-20 thread, an integrated flange for load distribution, and a nylon locking insert that resists loosening under vibration and repeated operation. Manufactured from grade fastener steel and finished with zinc corrosion coating (ZCC), this nut is engineered for durability and long service life in demanding outdoor power equipment environments. The flange design eliminates the need for a separate washer while protecting mounting surfaces and maintaining proper torque. The Ariens / Gravely 06500813 lock nut is commonly used in blower housings, impeller assemblies, fuel systems, electrical mounts, steering controls, deck lift systems, frames, and seat latch assemblies across residential and commercial platforms. Key Details Manufacturer Part Number: 06500813 Part Name: Nylon Flange Lock Nut Brand: Ariens / Gravely Thread Size: 1/4-20 UNC Nut Type: Nylon insert lock nut with flange Material: Steel Finish: Zinc Corrosion Coated (ZCC) Function: Vibration-resistant fastening and load distribution Installation: Direct OEM replacement Where Used The 06500813 lock nut is used extensively across Ariens and Gravely equipment, including but not limited to: Blower upfit kits (42″, 48″, 52″, 60″) Impeller assemblies Blower housings Handle and guard assemblies Power bagger systems (42″–60″ decks) Pro-QXT attachments Brush attachments Rough-cut mower decks Dethatcher assemblies Zero-turn mower platforms ZT, ZTX, ZTXL, ZT XL, ZT HD series Fuel systems (Kohler & Kawasaki) Steering controls and electrical systems Commercial units Pro-Turn, Pro-Turn ZX, Pro-Turn Mach One Pro-Stance stand-on mowers Frame assemblies, deck lift systems, seat latches This nut appears across multiple serial number ranges, early through current production, and is used in high-vibration areas where secure fastening is critical. Why Use Genuine OEM 06500813 Nylon insert prevents loosening from vibration Integrated flange distributes clamping load evenly Zinc coating resists rust and corrosion Eliminates need for separate washer Maintains factory torque and fitment specifications Using the OEM Ariens / Gravely 06500813 lock nut ensures long-term fastening reliability, proper component retention, and protection of mounting surfaces in demanding mowing, bagging, and snow-handling applications.
