Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A31004-101 found under Valve Flow Control by Jb Industries Inc. The National Stock Number assigned to this part is 4820015559392, 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 A31004-101.