Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4M20EB1-8N8 found under Switch Rotary by Janco Corporation. The National Stock Number assigned to this part is 5930004682526, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4M20EB1-8N8.