Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RIASTAP 1G found under Fibrinogen Human by Csl Behring L L C. The National Stock Number assigned to this part is 6505015362704, 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 RIASTAP 1G.