Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 418003 found under Test Strips And Color Chart Bilirubin Blood Glucos by Boehringer Mannheim Corp. The National Stock Number assigned to this part is 6550013818624, 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 418003.