Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A18-1-2 found under Switch Rotary by Hobart Brothers Company. The National Stock Number assigned to this part is 5930002676845, 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 A18-1-2.