Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BL1058-6-15 found under Rivet Blind by Hi Shear Corporation. The National Stock Number assigned to this part is 5320012868288, and the Federal Supply Class is 5320 Rivets. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BL1058-6-15.