Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00068-0509-60 found under Rifampin And Isonia by Merrell Dow Pharmeceuticals Inc. The National Stock Number assigned to this part is 6505011525510, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NDC00068-0509-60.