Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1002687 found under Disk Valve by Raytheon Company. The National Stock Number assigned to this part is 4820013995723, 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 1002687.