Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 72530-01 found under Lock Bearing by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 6615003346994, and the Federal Supply Class is 6615 Automatic Pilot Mechanisms And Airborne Gyro Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 72530-01.