Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G74039 found under Gage Plug Plain Cyl by Goodrich Lighting Systems Gmbh. The National Stock Number assigned to this part is 5220004918378, 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 G74039.