Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 342181 found under Gear Cluster by Simmonds Precision Products Inc. The National Stock Number assigned to this part is 3020001145096, 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 342181.