Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 800 00027 00 found under Knob by Rycom Instruments. The National Stock Number assigned to this part is 5355012831219, 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 800 00027 00.