Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3308459-1 found under by Carleton Life Support Systems In. The National Stock Number assigned to this part is 4820014864719, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3308459-1.