Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12M-85E0 found under Nut Open End by Hale Products Inc. The National Stock Number assigned to this part is 5310003918541, 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 12M-85E0.