Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12 1246 ITEM 26 found under Gasket by Brevini Usa Inc. The National Stock Number assigned to this part is 5330013877455, 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 12 1246 ITEM 26.