Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A170702-1005 found under Block Rub Drive Arm by Swan Industries Inc. The National Stock Number assigned to this part is 1560011257675, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 74A170702-1005.