Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G45-128 found under Spacer Insulation B by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 5365005347673, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like G45-128.