Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K50-0018 found under Bearing Hanger by Ward Leonard Electric Company Inc. The National Stock Number assigned to this part is 3110004002127, 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 K50-0018.