Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 634-000-001WB found under Staking Tool Plunger Tube by Brownells Incorporated. The National Stock Number assigned to this part is 5120016180508, 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 634-000-001WB.