Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C-27648 found under Coupling by S And L Aerospace Metals Llc. The National Stock Number assigned to this part is 3020012068125, 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 C-27648.