Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-VK-492-A86 IT 20 found under Valve Globe by Walz And Krenzer Inc. The National Stock Number assigned to this part is 4820014374255, 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 D-VK-492-A86 IT 20.