Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ENPRESSE 6 X 28 found under Levonorgestrel And by Teva Pharmaceuticals Usa Inc. The National Stock Number assigned to this part is 6505012240176, 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 ENPRESSE 6 X 28.