Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC50924-0503-50 found under Test Strips And Col by Boehringer Mannheim Corp. The National Stock Number assigned to this part is 6550011604995, 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 NDC50924-0503-50.