Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5548AL16AND5516AR48 found under Gear Set Bevel Matched by Smyth Mfg Co. The National Stock Number assigned to this part is 3020000874863, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5548AL16AND5516AR48.