Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00603-0857-60 found under Guaifenesin Syrup U by Generics Bidco I Llc. The National Stock Number assigned to this part is 6505000796269, 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 NDC00603-0857-60.