Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R9012 found under Ring Wearing by Manitou North America Inc. The National Stock Number assigned to this part is 2935013960453, and the Federal Supply Class is 2935 Engine System Cooling Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R9012.