Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FBV21240001M found under Valve Ball by Stauff Corp. The National Stock Number assigned to this part is 4820014370652, 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 FBV21240001M.