Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5R4162 found under Light Assembly Elec by Caterpillar Inc. The National Stock Number assigned to this part is 6220010939737, 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 5R4162.