Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 508-1 found under Parts Kit Beacon Li by Brunson Instrument Company Inc. The National Stock Number assigned to this part is 6210015752415, 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 508-1.