Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 29312ZY found under Bolt Internal Wrenc by Magnum Power Products Llc. The National Stock Number assigned to this part is 5306016494900, 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 29312ZY.