Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J2643 found under Cover Bearing by Coltec Industries Inc. The National Stock Number assigned to this part is 2010003626819, and the Federal Supply Class is 2010 Ship And Boat Propulsion Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J2643.