Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GAS12G300L100A found under Shim by Gulfstream Aerospace Corp. The National Stock Number assigned to this part is 5365016639931, 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 GAS12G300L100A.