Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3005278-002 found under Valve Assembly by Naiad Dynamics Us Inc. The National Stock Number assigned to this part is 4820016830623, 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 3005278-002.