511849 Troy-Bilt Tiller - Overview

This silver metal lock washer helps prevent the nut on the drive belt pulley shaft from backing off during operation, it has a 5/16-inch inner diameter and a 1/2-inch outer diameter. one washer is included, replace it if fatigue or damage allows the connected shafts to spin freely, verify fit using the equipment model or owner manual

This genuine flat washer distributes fastener pressure across the mounting surface and may also serve as a spacer in compatible outdoor power equipment assemblies. It measures 0.385 of an inch across the inner opening,0.870 of an inch across the outer edge, and 0.090 of an inch thick. This washer is sold individually, and you should confirm the equipment you are repairing matches with this washer before ordering.