Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA2105-3-4A found under Bolt Machine by Aadox Mfg Co Inc. The National Stock Number assigned to this part is 5306010840233, 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 AA2105-3-4A.