This genuine Gravely part (OEM Part No. 06500810) is a zinc-plated nyloc flange nut with a .50-13 thread, commonly used across a wide range of Gravely and Ariens lawn mowers and attachments. It’s designed to securely fasten components such as mower decks, anti-scalp wheels, and frame assemblies, providing reliable locking performance even under vibration.                                                                                                                                                                                                                                                                                                                                                       Technical Specifications:

Thread Size: .50-13
Material: Zinc-plated steel
Fastener Type: Nyloc flange nut
OEM Brands: Gravely, Ariens