Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17R4C found under Filter Element Fluid by Parker Hannifin Corporation. The National Stock Number assigned to this part is 2910003713013, 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 17R4C.