Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2474521 found under Gage Comparator Electronic by Coltec Industries Inc. The National Stock Number assigned to this part is 5220014810970, 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 2474521.