Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MGP12 found under Gage Stem Break Off by Mag Aerospace Industries Inc. The National Stock Number assigned to this part is 5220002437779, and the Federal Supply Class is 5220 Inspection Gages And Precision Layout Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MGP12.