Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B8500-23D1683 found under Light Navigational by Grimes Aerospace Company. The National Stock Number assigned to this part is 6220009952830, 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 B8500-23D1683.