Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A8 3500 055 7500 found under Ring Anti Extr by John Crane Inc. The National Stock Number assigned to this part is 5365015866562, 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 A8 3500 055 7500.