Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MA3456 found under Washer Flat by General Dynamics Ots Inc. The National Stock Number assigned to this part is 5310011830594, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MA3456.