Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FRU-8516-012 found under Wash Block Blood Analyzer by Danam Electronics Inc. The National Stock Number assigned to this part is 6630014681035, 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 FRU-8516-012.