Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R3545A12FBGC found under Rotor Assembly Blow by Coltec Industries Inc. The National Stock Number assigned to this part is 2815008592798, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R3545A12FBGC.