Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A440 3481 found under Grommet Nonmetallic by Dcm Manufacturing Inc. The National Stock Number assigned to this part is 5325008160281, 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 A440 3481.