Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T740-0728-001-7485 found under Spacer Ring by John Crane Inc. The National Stock Number assigned to this part is 5365015102500, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T740-0728-001-7485.