Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D530 found under Floodlight Electric by Do Ray Lamp Co Inc. The National Stock Number assigned to this part is 6220012556927, 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 D530.