Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N4X2 found under Light Unit Emergency by Hubbell Corp. The National Stock Number assigned to this part is 6220013765791, 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 N4X2.