Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 14A5C120 found under Washer Lock by Clark Equipment Company. The National Stock Number assigned to this part is 5310008206653, 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 14A5C120.