Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00006-0749-54 found under Simvastatin Tablets by Merck Sharp And Dohme Corp. The National Stock Number assigned to this part is 6505015052371, 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 NDC00006-0749-54.