Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A450613-2005 found under Shaft Shouldered by Nassau Tool Works Inc. The National Stock Number assigned to this part is 3040011076786, 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 74A450613-2005.