Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P80371 found under Dial Knob Lock by Amphenol Optimize Manufacturing Co. The National Stock Number assigned to this part is 5355013622649, 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 P80371.