Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TIP18CBA found under Bolt Machine by Tibban Mfg Inc. The National Stock Number assigned to this part is 5306015978302, 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 TIP18CBA.