Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YMD 12396 found under Washer Flat by Appleton Electric Ltd. The National Stock Number assigned to this part is 5310016691272, 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 YMD 12396.