Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LEV0-DROMORAN TABLETS found under Levorphanol Tartrat by Hoffmann La Roche Ltd. The National Stock Number assigned to this part is 6505006555699, 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 LEV0-DROMORAN TABLETS.