Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 814 0331 503 found under Light Indicator by Dialight Corporation. The National Stock Number assigned to this part is 6210015824804, and the Federal Supply Class is 6210 Indoor And Outdoor Electrical Lighting Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 814 0331 503.