Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C29 8011 found under Knob by Andrea Electronics Corporation. The National Stock Number assigned to this part is 5355013646393, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C29 8011.