Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6431397-04M1 found under Rubber Strip by Bae Systems Survivability Systems Llc. The National Stock Number assigned to this part is 5330015312681, 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 6431397-04M1.