Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SYQ5304 found under Washer Flat by Mn Ssf Marine Nationale Service. The National Stock Number assigned to this part is 5310012994592, 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 SYQ5304.