Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB1145 found under Flapper Assembly Mi by Comco Inc. The National Stock Number assigned to this part is 3680013336818, and the Federal Supply Class is 3680 Foundry Machinery Related Equipment And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MB1145.