Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20B-05222 found under Light Marker Cleara by Betts Industries Inc. The National Stock Number assigned to this part is 6220013817213, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20B-05222.