Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40B 22X1 found under Motor Sprocket by Dt Marine Products Inc. The National Stock Number assigned to this part is 5340015147822, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40B 22X1.