Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YD3112-1009-1 found under Seal Nonmetallic Sp by Raytheon Company. The National Stock Number assigned to this part is 5330009293933, 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 YD3112-1009-1.