Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CB500-13-600Z2 found under Bolt Square Neck by Aerospace Commercial Fasteners. The National Stock Number assigned to this part is 5306012924152, 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 CB500-13-600Z2.