Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 293163 found under Nut Clip On by Monadnock Company The. The National Stock Number assigned to this part is 5310002950113, 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 293163.