Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9314B13-7021 found under Parts Kit Pilot Control Valve by The Entwistle Company. The National Stock Number assigned to this part is 4820014498287, 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 9314B13-7021.