Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K618678-13 found under Bolt Shear by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 5306001386213, 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 K618678-13.