Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CB500-13-250Z2 found under Bolt Square Neck by Dodge Mfg Corp. The National Stock Number assigned to this part is 5306012924154, 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 CB500-13-250Z2.