Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1220074-20 found under Shaft Straight by Miller Products Co Inc. The National Stock Number assigned to this part is 3040001133305, 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 1220074-20.