Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 68D390006-2212 found under Roller Aft Engine Installation by Kreis Tool And Manufacturing Co Inc. The National Stock Number assigned to this part is 1730014225262, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 68D390006-2212.