Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NEF431100NA found under Switch Toggle by E C C Spares And Services Electro Work. The National Stock Number assigned to this part is 5930004288873, 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 NEF431100NA.