Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12420489 found under Seal Nonmetallic Strip by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 5330014401092, 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 12420489.