Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1000844 SP found under Knob by Optics 1 Inc. The National Stock Number assigned to this part is 5355016720823, 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 1000844 SP.