Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NN2AFB found under Light Indicator by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 6220004889513, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NN2AFB.