Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 597-0070-86 found under Metaproterenol Sulf by Boehringer Ingelheim Corporation. The National Stock Number assigned to this part is 6505010516464, 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 597-0070-86.