Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B 906 20 GR found under Channel Structural by Thomas And Betts Corp. The National Stock Number assigned to this part is 9520012302541, and the Federal Supply Class is 9520 Structural Shapes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B 906 20 GR.