Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SET 4911 And 4912 found under Shield Outer by Carlisle And Finch Company The. The National Stock Number assigned to this part is 6210011265027, 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 SET 4911 And 4912.