Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GB1616 found under Gear Cluster by Cardwell Condenser Corp. The National Stock Number assigned to this part is 3020005651678, 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 GB1616.