Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S14 25 2029 found under Bearing Sleeve by Sikorsky Aircraft Corporation. The National Stock Number assigned to this part is 3120006624839, 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 S14 25 2029.