Garmin Nut

Does anyone know where I can find the nut that goes on the trans chord for my Garmin?

Mine is gone and I can't seem to find one anywhere

010-11170-00 for the 18 mm one
010-11170-01 for the 11 mm one

garmin.com support: 1-800-800-1020

Retired grass grower

https://www.garmin.com/en-US/search/?query=split%20connector

Thanks guys, got it ordered and itll be here Saturday