Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64M02133R found under Socket Light Vehicu by Mack Trucks Inc. The National Stock Number assigned to this part is 6220015528047, 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 64M02133R.