Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D242B117 found under Pinion Crusher by Universal Engineering Corp. The National Stock Number assigned to this part is 3020008536521, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D242B117.