Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1149-2 found under Extension Shaft by United States Postal Service. The National Stock Number assigned to this part is 3040004549292, 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 R1149-2.