Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SW2-ASM-12 found under by Mars Signal Light Co Inc. The National Stock Number assigned to this part is 6220010197406, 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 SW2-ASM-12.