Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U830-1 (50MG found under Reagent Set Blood G by Frontier Scientific Inc. The National Stock Number assigned to this part is 6550015724023, 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 U830-1 (50MG.