Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 870030 found under Bearing Ball Fairlead by Vt Leeboy Inc. The National Stock Number assigned to this part is 3110015986456, 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 870030.