Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y1045E1PC73 found under Bearing Sleeve by Westinghouse Air Brake Technologies. The National Stock Number assigned to this part is 3120002876766, 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 Y1045E1PC73.