Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 49111 found under Tubestack Intercool by Classic Restoration And Sales. The National Stock Number assigned to this part is 2990011226330, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 49111.