Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 525 CX11 XK SIZE 3 4 ITEM 65 found under Packing Preformed by Sfc Valve Corporation. The National Stock Number assigned to this part is 5330015522380, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 525 CX11 XK SIZE 3 4 ITEM 65.