Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C3175-63F found under Support Tubing by Greer Industries Inc. The National Stock Number assigned to this part is 1560008904048, 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 C3175-63F.