Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 279540PC91 found under Dial Control by Leica Inc. The National Stock Number assigned to this part is 5355002104345, 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 279540PC91.