Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21C1616P15 found under Gage Paddle Blade by General Electric Co. The National Stock Number assigned to this part is 5220014725010, 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 21C1616P15.