Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42-3-16510 found under Filter Fluid by Western Filter A Division Of. The National Stock Number assigned to this part is 2910009527094, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42-3-16510.