Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VLS-3402 found under Valve Three Way by Versa Products Co Inc. The National Stock Number assigned to this part is 4820000079421, 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 VLS-3402.