Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22191 found under Shaft Shouldered by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 3040013019919, 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 22191.