Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SX1272 found under Roller Bearing by American Kenco Inc. The National Stock Number assigned to this part is 3110004078593, 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 SX1272.