Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12P 851 112 found under Nut Bearing Adj Int by Tuthill Corporation. The National Stock Number assigned to this part is 5310013001087, 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 12P 851 112.