Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5040-3403-0800 found under Grommet Nonmetallic by Cooper Interconnect Inc. The National Stock Number assigned to this part is 5325013468480, 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 5040-3403-0800.