Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C305-4-13 found under Bolt Shear by J M Precision Inc. The National Stock Number assigned to this part is 5306009107987, 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 C305-4-13.