Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M40-01-0582 found under Stop Light Taillight Vehicular by Betts Industries Inc. The National Stock Number assigned to this part is 6220014444261, 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 M40-01-0582.