Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4G53013-103A found under Bearing Sleeve by Weba Inc. The National Stock Number assigned to this part is 3120004363833, 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 4G53013-103A.