Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 031-6B6224 found under Ferrule Water Direction by Ar Bee Corp. The National Stock Number assigned to this part is 2930003528085, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 031-6B6224.