Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 342C298B4020E found under Nut Plain Cap by A S C Corporation. The National Stock Number assigned to this part is 5310012837418, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 342C298B4020E.