Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40G1-5A found under Grommet by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5325000137189, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40G1-5A.