Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00615-0871-13 found under Calcium Carbonate Tablets Usp by Medical Technologies System Inc. The National Stock Number assigned to this part is 6505012650052, 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 NDC00615-0871-13.