Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 61B56 found under Mounting Pad Assemb by Buffalo Metal Container Corp. The National Stock Number assigned to this part is 8115000247089, and the Federal Supply Class is 8115 Boxes Cartons And Crates. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 61B56.