Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 979-1B275 found under Gear Bevel by Advanced Logic Resources Inc. The National Stock Number assigned to this part is 3020012261132, 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 979-1B275.