Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F3 0500 052 16040 S found under Ring Piston by Parker Hannifin Ltd. The National Stock Number assigned to this part is 3040016628666, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F3 0500 052 16040 S.