Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 855 STD ATL found under Indicator Light by Sloan Company The. The National Stock Number assigned to this part is 6210015693366, 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 855 STD ATL.