Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5400241W found under Shaft Shouldered by Marshall Engineered Products Co. The National Stock Number assigned to this part is 3040013132488, 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 5400241W.