Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM-B-449092 found under Dial Control by Valcore Manufacturing Llc. The National Stock Number assigned to this part is 5355010999411, 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 SM-B-449092.