Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SKA-2547 REV.A found under Ring Bearing Outer by Coffin Turbo Pump Inc. The National Stock Number assigned to this part is 3110016298694, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SKA-2547 REV.A.