Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3SB02-2MLB found under Switch Rotary by Siemens Energy And Automation Inc. The National Stock Number assigned to this part is 5930013434421, 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 3SB02-2MLB.