Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JH6513 found under Window Dial by Sigma Tek Inc. The National Stock Number assigned to this part is 5355001808842, 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 JH6513.