Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1800543 found under Light Panel by Uusi Llc. The National Stock Number assigned to this part is 6220013624135, 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 1800543.