Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 820461A found under Turning Tool Tie Bolt by Advance Gear And Machine Corp. The National Stock Number assigned to this part is 5120007531282, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 820461A.