5/16" Serrated Washer - Open Tooth Type - Various Uses on Pre Unit and Unit Triumph Models
Shakeproof serrated lock washer as used on T20 Tiger Cub models - gear change return spring bolt.
Also used on many pre unit and unit models - oil tank fixing + universal use.
Total ID: 7/16" (10.6mm), between tabs: 5/16" (8.6mm)
OD: 9/16" (14.2mm)
OEM: 70-2287, E2287
Made in England