Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12P00139-0003 found under Drain And Breather by Alliance Specialty Motors Inc. The National Stock Number assigned to this part is 6105012588628, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12P00139-0003.