Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BL7-3-5 found under Rivet Blind by Satair A S. The National Stock Number assigned to this part is 5320011322216, 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 BL7-3-5.