Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 726 CNC 09-106434 DET 20 found under Seal Plain Encased by Heligear Acquisition Co. The National Stock Number assigned to this part is 5330003251874, 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 726 CNC 09-106434 DET 20.