Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K682251-1 found under Filter Fluid by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 1650009144281, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K682251-1.