Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 114GS137-1 found under Mandrel Bearing Loa by The Boeing Company. The National Stock Number assigned to this part is 5120007727149, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 114GS137-1.