Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 306D1X3 found under Washer Recessed by Schneider Electric Usa Inc. The National Stock Number assigned to this part is 5310002092907, 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 306D1X3.