Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 268 20 012 found under Push On Nut by American Coleman Company The. The National Stock Number assigned to this part is 5310010045013, 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 268 20 012.