Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3A 11653 AB 6 37 39R C found under Ring Wearing by Curtiss Wright Corp. The National Stock Number assigned to this part is 2930011003106, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3A 11653 AB 6 37 39R C.