Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11933-211-000 found under Shaft Drum Adjustin by Calcomp Inc. The National Stock Number assigned to this part is 3040012339523, 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 11933-211-000.