Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4055T39P01 found under Roller Linear Rotar by Accurate Bushing Company. The National Stock Number assigned to this part is 3120011510625, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4055T39P01.