Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC42987-0101-24 found under Norethindrone And Mestranol Tablets Usp by Syntex Laboratories Inc. The National Stock Number assigned to this part is 6505014459191, 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 NDC42987-0101-24.