Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66006 040 12 found under Nut Flush by Trandes Corporation. The National Stock Number assigned to this part is 5310015093241, 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 66006 040 12.