Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 206-34005 found under Restrictor Fluid Flow by M B Companies Inc. The National Stock Number assigned to this part is 4730013394496, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 206-34005.