Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51748 found under Rear Cover by Ducommun Technologies Inc. The National Stock Number assigned to this part is 6210012232227, 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 51748.