Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20A11522-101-11 found under Platform Inertial Missile by The Boeing Company. The National Stock Number assigned to this part is 1420002275700, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20A11522-101-11.