Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31A42-00300 found under Gage Rod Liquid Level by Mitsubishi Engine North America Inc. The National Stock Number assigned to this part is 6680015378741, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 31A42-00300.