Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BPU-612-6-31 found under Handlemanual Control by Dreis And Krump Manufacturing. The National Stock Number assigned to this part is 5340016862940, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BPU-612-6-31.