Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4189793 found under Seal Nonmetallic Sp by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 5330013076969, 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 4189793.