Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G77-4T found under Packing Preformed by Atap Inc. The National Stock Number assigned to this part is 5330012494212, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like G77-4T.