Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DIN961M12X55-STL 10.9 found under Bolt Machine by Din Deutsches Institut Fuer Norm. The National Stock Number assigned to this part is 5306012638489, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DIN961M12X55-STL 10.9.