Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B7393-1-25M found under Tube Glass by Pavan And Kievit Enterprises Inc. The National Stock Number assigned to this part is 4710000971627, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B7393-1-25M.