Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP77-812 found under Rivet Solid by Linread Northbridge Aircraft. The National Stock Number assigned to this part is 5320011945028, 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 SP77-812.