Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MV-80115 SHT.12 PC.28 found under Washer Flat by A O Smith Corporation. The National Stock Number assigned to this part is 5310012606084, 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 MV-80115 SHT.12 PC.28.