Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SC50 found under Bearing Cutless by Bf Goodrich Aerospace. The National Stock Number assigned to this part is 3110009638104, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SC50.