Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11588 found under Bolt Machine by O F Mossberg And Sonsincorporated. The National Stock Number assigned to this part is 5306013865356, 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 11588.