Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E2677-6 found under Disk Valve by Clow Corp. The National Stock Number assigned to this part is 4820010608982, 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 E2677-6.