Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S7704512-B found under Shaft Shouldered by Vt Marine Products Ltd. The National Stock Number assigned to this part is 3040996173701, 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 S7704512-B.