Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 70-20-604 found under Bearing Roller Needle by Supacat Pty Ltd. The National Stock Number assigned to this part is 3110015462080, 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 70-20-604.