Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31120 found under Shaft Output by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 3040008580515, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 31120.