Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FI21.72AGB 200MM PN12 found under Packing Preformed by Naf Ab. The National Stock Number assigned to this part is 5330014265367, 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 FI21.72AGB 200MM PN12.